996491992 has 32 divisors (see below), whose sum is σ = 2031808320. Its totient is φ = 456261120.

The previous prime is 996491981. The next prime is 996492001. The reversal of 996491992 is 299194699.

996491992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93984 + ... + 104047.

It is an arithmetic number, because the mean of its divisors is an integer number (63494010).

Almost surely, 2^996491992 is an apocalyptic number.

It is an amenable number.

996491992 is an abundant number, since it is smaller than the sum of its proper divisors (1035316328).

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

996491992 is a wasteful number, since it uses less digits than its factorization.

996491992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198091 (or 198087 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 58.

The square root of 996491992 is about 31567.2613953127. The cubic root of 996491992 is about 998.8292939823.

The spelling of 996491992 in words is "nine hundred ninety-six million, four hundred ninety-one thousand, nine hundred ninety-two".