990839675 has 12 divisors (see below), whose sum is σ = 1404161616. Its totient is φ = 679432800.

The previous prime is 990839651. The next prime is 990839693. The reversal of 990839675 is 576938099.

It is not a de Polignac number, because 990839675 - 2¹⁸ = 990577531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 990839675.

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 11 ways as a sum of consecutive naturals, for example, 2830796 + ... + 2831145.

It is an arithmetic number, because the mean of its divisors is an integer number (117013468).

Almost surely, 2^990839675 is an apocalyptic number.

990839675 is a deficient number, since it is larger than the sum of its proper divisors (413321941).

990839675 is a wasteful number, since it uses less digits than its factorization.

990839675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661958 (or 5661953 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 990839675 is about 31477.6059286598. The cubic root of 990839675 is about 996.9371870876.

The spelling of 990839675 in words is "nine hundred ninety million, eight hundred thirty-nine thousand, six hundred seventy-five".