996385320 has 128 divisors (see below), whose sum is σ = 3795782400. Its totient is φ = 227743488.

The previous prime is 996385309. The next prime is 996385337. The reversal of 996385320 is 23583699.

996385320 is a `hidden beast` number, since 9 + 9 + 638 + 5 + 3 + 2 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58339 + ... + 73458.

It is an arithmetic number, because the mean of its divisors is an integer number (29654550).

Almost surely, 2^996385320 is an apocalyptic number.

996385320 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

996385320 is an abundant number, since it is smaller than the sum of its proper divisors (2799397080).

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

996385320 is a wasteful number, since it uses less digits than its factorization.

996385320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131824 (or 131814 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 996385320 is about 31565.5717515143. The cubic root of 996385320 is about 998.7936519763.

The spelling of 996385320 in words is "nine hundred ninety-six million, three hundred eighty-five thousand, three hundred twenty".