3701389 has 4 divisors (see below), whose sum is σ = 3720960. Its totient is φ = 3681820.

The previous prime is 3701381. The next prime is 3701417. The reversal of 3701389 is 9831073.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9831073 = 7 ⋅1404439.

It is a cyclic number.

It is not a de Polignac number, because 3701389 - 2³ = 3701381 is a prime.

It is a Duffinian number.

3701389 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3701389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3701381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9499 + ... + 9880.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^3701389 is an apocalyptic number.

It is an amenable number.

3701389 is a deficient number, since it is larger than the sum of its proper divisors (19571).

3701389 is a wasteful number, since it uses less digits than its factorization.

3701389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3701389 is about 1923.8994256457. The cubic root of 3701389 is about 154.6873893616.

The spelling of 3701389 in words is "three million, seven hundred one thousand, three hundred eighty-nine".