999973304 has 32 divisors (see below), whose sum is σ = 2061037440. Its totient is φ = 451058400.

The previous prime is 999973279. The next prime is 999973307. The reversal of 999973304 is 403379999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999973307) 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, 31844 + ... + 54899.

It is an arithmetic number, because the mean of its divisors is an integer number (64407420).

Almost surely, 2^999973304 is an apocalyptic number.

It is an amenable number.

999973304 is an abundant number, since it is smaller than the sum of its proper divisors (1061064136).

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

999973304 is a wasteful number, since it uses less digits than its factorization.

999973304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86891 (or 86887 counting only the distinct ones).

The product of its (nonzero) digits is 1653372, while the sum is 53.

The square root of 999973304 is about 31622.3544980446. The cubic root of 999973304 is about 999.9911012541.

It can be divided in two parts, 99997 and 3304, that added together give a palindrome (103301).

The spelling of 999973304 in words is "nine hundred ninety-nine million, nine hundred seventy-three thousand, three hundred four".