999496556 has 12 divisors (see below), whose sum is σ = 1825167792. Its totient is φ = 478020048.

The previous prime is 999496549. The next prime is 999496559. The reversal of 999496556 is 655694999.

It is a super-2 number, since 2×999496556² = 1997986730911722272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999496559) 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 3 ways as a sum of consecutive naturals, for example, 5431955 + ... + 5432138.

It is an arithmetic number, because the mean of its divisors is an integer number (152097316).

Almost surely, 2^999496556 is an apocalyptic number.

It is an amenable number.

999496556 is a deficient number, since it is larger than the sum of its proper divisors (825671236).

999496556 is a wasteful number, since it uses less digits than its factorization.

999496556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10864120 (or 10864118 counting only the distinct ones).

The product of its digits is 23619600, while the sum is 62.

The square root of 999496556 is about 31614.8154509875. The cubic root of 999496556 is about 999.8321571637.

The spelling of 999496556 in words is "nine hundred ninety-nine million, four hundred ninety-six thousand, five hundred fifty-six".