999534970 has 64 divisors (see below), whose sum is σ = 2105429760. Its totient is φ = 334591488.

The previous prime is 999534901. The next prime is 999534971. The reversal of 999534970 is 79435999.

It is not an unprimeable number, because it can be changed into a prime (999534971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516124 + ... + 518056.

It is an arithmetic number, because the mean of its divisors is an integer number (32897340).

Almost surely, 2^999534970 is an apocalyptic number.

999534970 is an abundant number, since it is smaller than the sum of its proper divisors (1105894790).

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

999534970 is a wasteful number, since it uses less digits than its factorization.

999534970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 2755620, while the sum is 55.

The square root of 999534970 is about 31615.4229767688. The cubic root of 999534970 is about 999.8449659657.

The spelling of 999534970 in words is "nine hundred ninety-nine million, five hundred thirty-four thousand, nine hundred seventy".