3160729 has 24 divisors (see below), whose sum is σ = 4003776. Its totient is φ = 2455200.

The previous prime is 3160709. The next prime is 3160741. The reversal of 3160729 is 9270613.

It is not a de Polignac number, because 3160729 - 2⁵ = 3160697 is a prime.

It is a super-2 number, since 2×3160729² = 19980415622882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3160697 and 3160706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3160709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101944 + ... + 101974.

It is an arithmetic number, because the mean of its divisors is an integer number (166824).

Almost surely, 2^3160729 is an apocalyptic number.

It is an amenable number.

3160729 is a deficient number, since it is larger than the sum of its proper divisors (843047).

3160729 is a wasteful number, since it uses less digits than its factorization.

3160729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 3160729 is about 1777.8439189085. The cubic root of 3160729 is about 146.7559620372.

The spelling of 3160729 in words is "three million, one hundred sixty thousand, seven hundred twenty-nine".