999973004 has 6 divisors (see below), whose sum is σ = 1749952764. Its totient is φ = 499986500.

The previous prime is 999972979. The next prime is 999973033. The reversal of 999973004 is 400379999.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124996622 + ... + 124996629.

It is an arithmetic number, because the mean of its divisors is an integer number (291658794).

Almost surely, 2^999973004 is an apocalyptic number.

It is an amenable number.

999973004 is a deficient number, since it is larger than the sum of its proper divisors (749979760).

999973004 is a wasteful number, since it uses less digits than its factorization.

999973004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249993255 (or 249993253 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 999973004 is about 31622.3497545644. The cubic root of 999973004 is about 999.9910012524.

The spelling of 999973004 in words is "nine hundred ninety-nine million, nine hundred seventy-three thousand, four".