999064612 has 72 divisors (see below), whose sum is σ = 2271345216. Its totient is φ = 374383296.

The previous prime is 999064567. The next prime is 999064637. The reversal of 999064612 is 216460999.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127603 + ... + 135205.

Almost surely, 2^999064612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 999064612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1135672608).

999064612 is an abundant number, since it is smaller than the sum of its proper divisors (1272280604).

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

999064612 is a wasteful number, since it uses less digits than its factorization.

999064612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665 (or 7644 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 999064612 is about 31607.9833586390. The cubic root of 999064612 is about 999.6881067327.

The spelling of 999064612 in words is "nine hundred ninety-nine million, sixty-four thousand, six hundred twelve".