3157385 has 32 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1920960.

The previous prime is 3157379. The next prime is 3157391. The reversal of 3157385 is 5837513.

It is an interprime number because it is at equal distance from previous prime (3157379) and next prime (3157391).

It is not a de Polignac number, because 3157385 - 2¹⁴ = 3141001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22646 + ... + 22784.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

Almost surely, 2^3157385 is an apocalyptic number.

3157385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3157385 is a deficient number, since it is larger than the sum of its proper divisors (1681015).

3157385 is a wasteful number, since it uses less digits than its factorization.

3157385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221.

The product of its digits is 12600, while the sum is 32.

The square root of 3157385 is about 1776.9032050171. The cubic root of 3157385 is about 146.7041886322.

The spelling of 3157385 in words is "three million, one hundred fifty-seven thousand, three hundred eighty-five".