990040674 has 16 divisors (see below), whose sum is σ = 2262950208. Its totient is φ = 282868752.

The previous prime is 990040661. The next prime is 990040693. The reversal of 990040674 is 476040099.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11786157 + ... + 11786240.

It is an arithmetic number, because the mean of its divisors is an integer number (141434388).

Almost surely, 2^990040674 is an apocalyptic number.

990040674 is an abundant number, since it is smaller than the sum of its proper divisors (1272909534).

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

990040674 is a wasteful number, since it uses less digits than its factorization.

990040674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23572409.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 990040674 is about 31464.9117907551. The cubic root of 990040674 is about 996.6691423723.

The spelling of 990040674 in words is "nine hundred ninety million, forty thousand, six hundred seventy-four".