499994931 has 16 divisors (see below), whose sum is σ = 671086080. Its totient is φ = 331124640.

The previous prime is 499994921. The next prime is 499994941. The reversal of 499994931 is 139499994.

It is an interprime number because it is at equal distance from previous prime (499994921) and next prime (499994941).

It is not a de Polignac number, because 499994931 - 2⁶ = 499994867 is a prime.

It is a super-2 number, since 2×499994931² = 499989862051389522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499994921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489201 + ... + 490221.

It is an arithmetic number, because the mean of its divisors is an integer number (41942880).

Almost surely, 2^499994931 is an apocalyptic number.

499994931 is a deficient number, since it is larger than the sum of its proper divisors (171091149).

499994931 is a wasteful number, since it uses less digits than its factorization.

499994931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946.

The product of its digits is 2834352, while the sum is 57.

The square root of 499994931 is about 22360.5664284248. The cubic root of 499994931 is about 793.6978437964.

The spelling of 499994931 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, nine hundred thirty-one".