3157329 has 16 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 1794000.

The previous prime is 3157313. The next prime is 3157337. The reversal of 3157329 is 9237513.

It is not a de Polignac number, because 3157329 - 2⁴ = 3157313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3157296 and 3157305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4972 + ... + 5570.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^3157329 is an apocalyptic number.

It is an amenable number.

3157329 is a deficient number, since it is larger than the sum of its proper divisors (1681071).

3157329 is a wasteful number, since it uses less digits than its factorization.

3157329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 5670, while the sum is 30.

The square root of 3157329 is about 1776.8874471952. The cubic root of 3157329 is about 146.7033213023.

It can be divided in two parts, 3157 and 329, that added together give a triangular number (3486 = T₈₃).

The spelling of 3157329 in words is "three million, one hundred fifty-seven thousand, three hundred twenty-nine".