3457387 has 4 divisors (see below), whose sum is σ = 3468816. Its totient is φ = 3445960.

The previous prime is 3457381. The next prime is 3457397. The reversal of 3457387 is 7837543.

3457387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7837543 = 7 ⋅1119649.

It is a cyclic number.

It is not a de Polignac number, because 3457387 - 2¹¹ = 3455339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3457381) 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 3 ways as a sum of consecutive naturals, for example, 5248 + ... + 5869.

It is an arithmetic number, because the mean of its divisors is an integer number (867204).

Almost surely, 2^3457387 is an apocalyptic number.

3457387 is a deficient number, since it is larger than the sum of its proper divisors (11429).

3457387 is a wasteful number, since it uses less digits than its factorization.

3457387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428.

The product of its digits is 70560, while the sum is 37.

The square root of 3457387 is about 1859.4050123628. The cubic root of 3457387 is about 151.2107490982.

It can be divided in two parts, 3457 and 387, that added together give a square (3844 = 62²).

The spelling of 3457387 in words is "three million, four hundred fifty-seven thousand, three hundred eighty-seven".