509246992 has 10 divisors (see below), whose sum is σ = 986666078. Its totient is φ = 254623488.

The previous prime is 509246977. The next prime is 509247017. The reversal of 509246992 is 299642905.

It can be written as a sum of positive squares in only one way, i.e., 509134096 + 112896 = 22564^2 + 336^2 .

It is a super-2 number, since 2×509246992² = 518664997722096128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15913953 + ... + 15913984.

Almost surely, 2^509246992 is an apocalyptic number.

It is an amenable number.

509246992 is a deficient number, since it is larger than the sum of its proper divisors (477419086).

509246992 is a wasteful number, since it uses less digits than its factorization.

509246992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31827945 (or 31827939 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 509246992 is about 22566.5015454323. The cubic root of 509246992 is about 798.5635640250.

The spelling of 509246992 in words is "five hundred nine million, two hundred forty-six thousand, nine hundred ninety-two".