996477984 has 96 divisors (see below), whose sum is σ = 3077403840. Its totient is φ = 312615936.

The previous prime is 996477893. The next prime is 996478003. The reversal of 996477984 is 489774699.

It is a tau number, because it is divible by the number of its divisors (96).

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, 19234 + ... + 48609.

It is an arithmetic number, because the mean of its divisors is an integer number (32056290).

Almost surely, 2^996477984 is an apocalyptic number.

It is an amenable number.

996477984 is an abundant number, since it is smaller than the sum of its proper divisors (2080925856).

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

996477984 is a wasteful number, since it uses less digits than its factorization.

996477984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67879 (or 67865 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 63.

The square root of 996477984 is about 31567.0395190933. The cubic root of 996477984 is about 998.8246136749.

The spelling of 996477984 in words is "nine hundred ninety-six million, four hundred seventy-seven thousand, nine hundred eighty-four".