3160728 has 32 divisors (see below), whose sum is σ = 8780400. Its totient is φ = 1053504.

The previous prime is 3160709. The next prime is 3160741. The reversal of 3160728 is 8270613.

3160728 is a `hidden beast` number, since 31 + 607 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7101 + ... + 7532.

Almost surely, 2^3160728 is an apocalyptic number.

It is an amenable number.

3160728 is an abundant number, since it is smaller than the sum of its proper divisors (5619672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3160728 is a wasteful number, since it uses less digits than its factorization.

3160728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648 (or 14638 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3160728 is about 1777.8436376690. The cubic root of 3160728 is about 146.7559465602.

The spelling of 3160728 in words is "three million, one hundred sixty thousand, seven hundred twenty-eight".