3161957 has 8 divisors (see below), whose sum is σ = 3304800. Its totient is φ = 3021424.

The previous prime is 3161953. The next prime is 3161993. The reversal of 3161957 is 7591613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3161957 - 2² = 3161953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161953) 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, 2594 + ... + 3612.

It is an arithmetic number, because the mean of its divisors is an integer number (413100).

Almost surely, 2^3161957 is an apocalyptic number.

It is an amenable number.

3161957 is a deficient number, since it is larger than the sum of its proper divisors (142843).

3161957 is a wasteful number, since it uses less digits than its factorization.

3161957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 5670, while the sum is 32.

The square root of 3161957 is about 1778.1892475212. The cubic root of 3161957 is about 146.7749653523.

The spelling of 3161957 in words is "three million, one hundred sixty-one thousand, nine hundred fifty-seven".