909955994 has 16 divisors (see below), whose sum is σ = 1376645760. Its totient is φ = 451083360.

The previous prime is 909955973. The next prime is 909956027. The reversal of 909955994 is 499559909.

It is a super-2 number, since 2×909955994² = 1656039822033056072, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251462 + ... + 255054.

It is an arithmetic number, because the mean of its divisors is an integer number (86040360).

Almost surely, 2^909955994 is an apocalyptic number.

909955994 is a deficient number, since it is larger than the sum of its proper divisors (466689766).

909955994 is a wasteful number, since it uses less digits than its factorization.

909955994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645.

The product of its (nonzero) digits is 5904900, while the sum is 59.

The square root of 909955994 is about 30165.4768568309. The cubic root of 909955994 is about 969.0364875395.

The spelling of 909955994 in words is "nine hundred nine million, nine hundred fifty-five thousand, nine hundred ninety-four".