999000970 has 32 divisors (see below), whose sum is σ = 1983735360. Its totient is φ = 359187840.

The previous prime is 999000967. The next prime is 999000991. The reversal of 999000970 is 79000999.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41232 + ... + 60811.

It is an arithmetic number, because the mean of its divisors is an integer number (61991730).

Almost surely, 2^999000970 is an apocalyptic number.

999000970 is a deficient number, since it is larger than the sum of its proper divisors (984734390).

999000970 is a wasteful number, since it uses less digits than its factorization.

999000970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102150.

The product of its (nonzero) digits is 45927, while the sum is 43.

The square root of 999000970 is about 31606.9766032754. The cubic root of 999000970 is about 999.6668790427. Note that the first 3 decimals are identical.

The spelling of 999000970 in words is "nine hundred ninety-nine million, nine hundred seventy", and thus it is an aban number.