990992416 has 24 divisors (see below), whose sum is σ = 1958451264. Its totient is φ = 493608000.

The previous prime is 990992411. The next prime is 990992417. The reversal of 990992416 is 614299099.

It is a self number, because there is not a number n which added to its sum of digits gives 990992416.

It is not an unprimeable number, because it can be changed into a prime (990992411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50460 + ... + 67291.

It is an arithmetic number, because the mean of its divisors is an integer number (81602136).

Almost surely, 2^990992416 is an apocalyptic number.

It is an amenable number.

990992416 is a deficient number, since it is larger than the sum of its proper divisors (967458848).

990992416 is a wasteful number, since it uses less digits than its factorization.

990992416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118024 (or 118016 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 49.

The square root of 990992416 is about 31480.0320203141. The cubic root of 990992416 is about 996.9884114390.

The spelling of 990992416 in words is "nine hundred ninety million, nine hundred ninety-two thousand, four hundred sixteen".