990492622 has 32 divisors (see below), whose sum is σ = 1760356800. Its totient is φ = 408968448.

The previous prime is 990492619. The next prime is 990492661. The reversal of 990492622 is 226294099.

It is a congruent number.

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, 204258 + ... + 209050.

It is an arithmetic number, because the mean of its divisors is an integer number (55011150).

Almost surely, 2^990492622 is an apocalyptic number.

990492622 is a deficient number, since it is larger than the sum of its proper divisors (769864178).

990492622 is a wasteful number, since it uses less digits than its factorization.

With its successor (990492623) it forms an eRAP, since the sums of their prime factors are consecutive (5340 and 5341).

990492622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 990492622 is about 31472.0927489737. The cubic root of 990492622 is about 996.8207772540.

The spelling of 990492622 in words is "nine hundred ninety million, four hundred ninety-two thousand, six hundred twenty-two".