990842274 has 32 divisors (see below), whose sum is σ = 2272903680. Its totient is φ = 319626000.

The previous prime is 990842257. The next prime is 990842291. The reversal of 990842274 is 472248099.

990842274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (990842257) and next prime (990842291).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294277 + ... + 297624.

It is an arithmetic number, because the mean of its divisors is an integer number (71028240).

Almost surely, 2^990842274 is an apocalyptic number.

990842274 is an abundant number, since it is smaller than the sum of its proper divisors (1282061406).

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

990842274 is a wasteful number, since it uses less digits than its factorization.

990842274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591943 (or 591937 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 990842274 is about 31477.6472119503. The cubic root of 990842274 is about 996.9380587515.

The spelling of 990842274 in words is "nine hundred ninety million, eight hundred forty-two thousand, two hundred seventy-four".