999959472 has 40 divisors (see below), whose sum is σ = 2870255280. Its totient is φ = 333319680.

The previous prime is 999959461. The next prime is 999959507. The reversal of 999959472 is 274959999.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1156929 + ... + 1157792.

It is an arithmetic number, because the mean of its divisors is an integer number (71756382).

Almost surely, 2^999959472 is an apocalyptic number.

It is an amenable number.

999959472 is an abundant number, since it is smaller than the sum of its proper divisors (1870295808).

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

999959472 is a wasteful number, since it uses less digits than its factorization.

999959472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314738 (or 2314726 counting only the distinct ones).

The product of its digits is 16533720, while the sum is 63.

The square root of 999959472 is about 31622.1357912460. The cubic root of 999959472 is about 999.9864904842.

The spelling of 999959472 in words is "nine hundred ninety-nine million, nine hundred fifty-nine thousand, four hundred seventy-two".