999348512 has 12 divisors (see below), whose sum is σ = 1967467446. Its totient is φ = 499674240.

The previous prime is 999348479. The next prime is 999348517. The reversal of 999348512 is 215843999.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 578113936 + 421234576 = 24044^2 + 20524^2 .

It is a super-2 number, since 2×999348512² = 1997394896873228288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999348517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15614789 + ... + 15614852.

Almost surely, 2^999348512 is an apocalyptic number.

It is an amenable number.

999348512 is a deficient number, since it is larger than the sum of its proper divisors (968118934).

999348512 is a wasteful number, since it uses less digits than its factorization.

999348512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31229651 (or 31229643 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 999348512 is about 31612.4739936627. The cubic root of 999348512 is about 999.7827901566.

The spelling of 999348512 in words is "nine hundred ninety-nine million, three hundred forty-eight thousand, five hundred twelve".