3156998 has 32 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 1362816.

The previous prime is 3156997. The next prime is 3157001. The reversal of 3156998 is 8996513.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39923 + ... + 40001.

It is an arithmetic number, because the mean of its divisors is an integer number (170100).

Almost surely, 2^3156998 is an apocalyptic number.

3156998 is a deficient number, since it is larger than the sum of its proper divisors (2286202).

3156998 is a wasteful number, since it uses less digits than its factorization.

3156998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176.

The product of its digits is 58320, while the sum is 41.

The square root of 3156998 is about 1776.7943043583. The cubic root of 3156998 is about 146.6981945537.

The spelling of 3156998 in words is "three million, one hundred fifty-six thousand, nine hundred ninety-eight".