999319002 has 16 divisors (see below), whose sum is σ = 2180332512. Its totient is φ = 302823920.

The previous prime is 999319001. The next prime is 999319021. The reversal of 999319002 is 200913999.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (999319001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7570533 + ... + 7570664.

It is an arithmetic number, because the mean of its divisors is an integer number (136270782).

Almost surely, 2^999319002 is an apocalyptic number.

999319002 is an abundant number, since it is smaller than the sum of its proper divisors (1181013510).

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

999319002 is a wasteful number, since it uses less digits than its factorization.

999319002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15141213.

The product of its (nonzero) digits is 39366, while the sum is 42.

The square root of 999319002 is about 31612.0072440837. The cubic root of 999319002 is about 999.7729491185.

The spelling of 999319002 in words is "nine hundred ninety-nine million, three hundred nineteen thousand, two".