3155994 has 12 divisors (see below), whose sum is σ = 6838026. Its totient is φ = 1051992.

The previous prime is 3155993. The next prime is 3156001. The reversal of 3155994 is 4995513.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 1292769 = 1365^2 + 1137^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3155993) 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 5 ways as a sum of consecutive naturals, for example, 87649 + ... + 87684.

Almost surely, 2^3155994 is an apocalyptic number.

3155994 is an abundant number, since it is smaller than the sum of its proper divisors (3682032).

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

3155994 is a wasteful number, since it uses less digits than its factorization.

3155994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175341 (or 175338 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 3155994 is about 1776.5117505944. The cubic root of 3155994 is about 146.6826417402.

The spelling of 3155994 in words is "three million, one hundred fifty-five thousand, nine hundred ninety-four".