802949931 has 12 divisors (see below), whose sum is σ = 1325504752. Its totient is φ = 458828496.

The previous prime is 802949929. The next prime is 802949951. The reversal of 802949931 is 139949208.

It is not a de Polignac number, because 802949931 - 2¹ = 802949929 is a prime.

It is a super-2 number, since 2×802949931² = 1289457183385809522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802949911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6372556 + ... + 6372681.

Almost surely, 2^802949931 is an apocalyptic number.

802949931 is a deficient number, since it is larger than the sum of its proper divisors (522554821).

802949931 is a wasteful number, since it uses less digits than its factorization.

802949931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12745250 (or 12745247 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 802949931 is about 28336.3711685177. The cubic root of 802949931 is about 929.4573976705.

The spelling of 802949931 in words is "eight hundred two million, nine hundred forty-nine thousand, nine hundred thirty-one".