999913392 has 60 divisors (see below), whose sum is σ = 2801059560. Its totient is φ = 332984064.

The previous prime is 999913381. The next prime is 999913451. The reversal of 999913392 is 293319999.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182923 + ... + 188309.

It is an arithmetic number, because the mean of its divisors is an integer number (46684326).

Almost surely, 2^999913392 is an apocalyptic number.

It is an amenable number.

999913392 is an abundant number, since it is smaller than the sum of its proper divisors (1801146168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999913392 is a wasteful number, since it uses less digits than its factorization.

999913392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6690 (or 6681 counting only the distinct ones).

The product of its digits is 1062882, while the sum is 54.

The square root of 999913392 is about 31621.4071793145. The cubic root of 999913392 is about 999.9711298332.

The spelling of 999913392 in words is "nine hundred ninety-nine million, nine hundred thirteen thousand, three hundred ninety-two".