999013472 has 24 divisors (see below), whose sum is σ = 1967817600. Its totient is φ = 499250304.

The previous prime is 999013459. The next prime is 999013507. The reversal of 999013472 is 274310999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65729 + ... + 79487.

It is an arithmetic number, because the mean of its divisors is an integer number (81992400).

Almost surely, 2^999013472 is an apocalyptic number.

It is an amenable number.

999013472 is a deficient number, since it is larger than the sum of its proper divisors (968804128).

999013472 is a wasteful number, since it uses less digits than its factorization.

999013472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038 (or 16030 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 999013472 is about 31607.1743754484. The cubic root of 999013472 is about 999.6710491365.

The spelling of 999013472 in words is "nine hundred ninety-nine million, thirteen thousand, four hundred seventy-two".