999339272 has 16 divisors (see below), whose sum is σ = 1876050240. Its totient is φ = 499059216.

The previous prime is 999339163. The next prime is 999339277. The reversal of 999339272 is 272933999.

It is a super-2 number, since 2×999339272² = 1997357961122979968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999339277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69308 + ... + 82475.

It is an arithmetic number, because the mean of its divisors is an integer number (117253140).

Almost surely, 2^999339272 is an apocalyptic number.

999339272 is the 16898-th centered heptagonal number.

It is an amenable number.

999339272 is a deficient number, since it is larger than the sum of its proper divisors (876710968).

999339272 is a wasteful number, since it uses less digits than its factorization.

999339272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152612 (or 152608 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 53.

The square root of 999339272 is about 31612.3278484834. The cubic root of 999339272 is about 999.7797088087.

The spelling of 999339272 in words is "nine hundred ninety-nine million, three hundred thirty-nine thousand, two hundred seventy-two".