999090694 has 24 divisors (see below), whose sum is σ = 1746260208. Its totient is φ = 427457520.

The previous prime is 999090683. The next prime is 999090739. The reversal of 999090694 is 496090999.

999090694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51759 + ... + 68389.

It is an arithmetic number, because the mean of its divisors is an integer number (72760842).

Almost surely, 2^999090694 is an apocalyptic number.

999090694 is a deficient number, since it is larger than the sum of its proper divisors (747169514).

999090694 is a wasteful number, since it uses less digits than its factorization.

999090694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17260 (or 17253 counting only the distinct ones).

The product of its (nonzero) digits is 1417176, while the sum is 55.

The square root of 999090694 is about 31608.3959415849. The cubic root of 999090694 is about 999.6968060827.

The spelling of 999090694 in words is "nine hundred ninety-nine million, ninety thousand, six hundred ninety-four".