999479008 has 24 divisors (see below), whose sum is σ = 2146609080. Its totient is φ = 454308480.

The previous prime is 999479003. The next prime is 999479009. The reversal of 999479008 is 800974999.

It is a self number, because there is not a number n which added to its sum of digits gives 999479008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999479003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419363 + ... + 1420066.

It is an arithmetic number, because the mean of its divisors is an integer number (89442045).

Almost surely, 2^999479008 is an apocalyptic number.

It is an amenable number.

999479008 is an abundant number, since it is smaller than the sum of its proper divisors (1147130072).

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

999479008 is a wasteful number, since it uses less digits than its factorization.

999479008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839450 (or 2839442 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The square root of 999479008 is about 31614.5379216588. The cubic root of 999479008 is about 999.8263058321.

The spelling of 999479008 in words is "nine hundred ninety-nine million, four hundred seventy-nine thousand, eight".