999694268 has 24 divisors (see below), whose sum is σ = 1830663072. Its totient is φ = 477157824.

The previous prime is 999694217. The next prime is 999694273. The reversal of 999694268 is 862496999.

It is a self number, because there is not a number n which added to its sum of digits gives 999694268.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55880 + ... + 71567.

It is an arithmetic number, because the mean of its divisors is an integer number (76277628).

Almost surely, 2^999694268 is an apocalyptic number.

It is an amenable number.

999694268 is a deficient number, since it is larger than the sum of its proper divisors (830968804).

999694268 is a wasteful number, since it uses less digits than its factorization.

999694268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127541 (or 127539 counting only the distinct ones).

The product of its digits is 15116544, while the sum is 62.

The square root of 999694268 is about 31617.9421847786. The cubic root of 999694268 is about 999.8980789458.

The spelling of 999694268 in words is "nine hundred ninety-nine million, six hundred ninety-four thousand, two hundred sixty-eight".