3897361 has 8 divisors (see below), whose sum is σ = 4213160. Its totient is φ = 3583872.

The previous prime is 3897359. The next prime is 3897389. The reversal of 3897361 is 1637983.

3897361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1849600 + 2047761 = 1360^2 + 1431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3897361 - 2¹ = 3897359 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3³ + 8⁷ + 9³ + 7⁶ + 3⁷ + 6⁸ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3897361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3897331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951 + ... + 5683.

It is an arithmetic number, because the mean of its divisors is an integer number (526645).

Almost surely, 2^3897361 is an apocalyptic number.

It is an amenable number.

3897361 is a deficient number, since it is larger than the sum of its proper divisors (315799).

3897361 is a wasteful number, since it uses less digits than its factorization.

3897361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 27216, while the sum is 37.

The square root of 3897361 is about 1974.1734979479. The cubic root of 3897361 is about 157.3705798336.

It can be divided in two parts, 389 and 7361, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 3897361 in words is "three million, eight hundred ninety-seven thousand, three hundred sixty-one".