3161992 has 16 divisors (see below), whose sum is σ = 5996700. Its totient is φ = 1562880.

The previous prime is 3161953. The next prime is 3161993. The reversal of 3161992 is 2991613.

3161992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3006756 + 155236 = 1734^2 + 394^2 .

It is not an unprimeable number, because it can be changed into a prime (3161993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1509 + ... + 2932.

Almost surely, 2^3161992 is an apocalyptic number.

It is an amenable number.

3161992 is a deficient number, since it is larger than the sum of its proper divisors (2834708).

3161992 is a wasteful number, since it uses less digits than its factorization.

3161992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4532 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 3161992 is about 1778.1990889661. The cubic root of 3161992 is about 146.7755069056.

The spelling of 3161992 in words is "three million, one hundred sixty-one thousand, nine hundred ninety-two".