3161958 has 8 divisors (see below), whose sum is σ = 6323928. Its totient is φ = 1053984.

The previous prime is 3161953. The next prime is 3161993. The reversal of 3161958 is 8591613.

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

3161958 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 263491 + ... + 263502.

It is an arithmetic number, because the mean of its divisors is an integer number (790491).

Almost surely, 2^3161958 is an apocalyptic number.

3161958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3161958 is a wasteful number, since it uses less digits than its factorization.

3161958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526998.

The product of its digits is 6480, while the sum is 33.

The square root of 3161958 is about 1778.1895287061. The cubic root of 3161958 is about 146.7749808253.

The spelling of 3161958 in words is "three million, one hundred sixty-one thousand, nine hundred fifty-eight".