3161690 has 48 divisors (see below), whose sum is σ = 6863616. Its totient is φ = 1026720.

The previous prime is 3161689. The next prime is 3161693. The reversal of 3161690 is 961613.

3161690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3161690² = 19992567312200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67247 + ... + 67293.

It is an arithmetic number, because the mean of its divisors is an integer number (142992).

Almost surely, 2^3161690 is an apocalyptic number.

3161690 is an abundant number, since it is smaller than the sum of its proper divisors (3701926).

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

3161690 is a wasteful number, since it uses less digits than its factorization.

3161690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3161690 is about 1778.1141695628. The cubic root of 3161690 is about 146.7708339427.

The spelling of 3161690 in words is "three million, one hundred sixty-one thousand, six hundred ninety".