3165730 has 16 divisors (see below), whose sum is σ = 5763960. Its totient is φ = 1251712.

The previous prime is 3165713. The next prime is 3165739. The reversal of 3165730 is 375613.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1399489 + 1766241 = 1183^2 + 1329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3165695 and 3165704.

It is not an unprimeable number, because it can be changed into a prime (3165739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889 + ... + 2668.

Almost surely, 2^3165730 is an apocalyptic number.

3165730 is the 890-th decagonal number.

3165730 is a deficient number, since it is larger than the sum of its proper divisors (2598230).

3165730 is a wasteful number, since it uses less digits than its factorization.

3165730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3653.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 3165730 is about 1779.2498419278. The cubic root of 3165730 is about 146.8333218094.

The spelling of 3165730 in words is "three million, one hundred sixty-five thousand, seven hundred thirty".