990908334 has 24 divisors (see below), whose sum is σ = 2312119992. Its totient is φ = 304894800.

The previous prime is 990908327. The next prime is 990908389. The reversal of 990908334 is 433809099.

990908334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 990908334.

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, 2117092 + ... + 2117559.

It is an arithmetic number, because the mean of its divisors is an integer number (96338333).

Almost surely, 2^990908334 is an apocalyptic number.

990908334 is an abundant number, since it is smaller than the sum of its proper divisors (1321211658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

990908334 is a wasteful number, since it uses less digits than its factorization.

990908334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234672 (or 4234669 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 990908334 is about 31478.6965104974. The cubic root of 990908334 is about 996.9602137289.

The spelling of 990908334 in words is "nine hundred ninety million, nine hundred eight thousand, three hundred thirty-four".