996415728 has 160 divisors (see below), whose sum is σ = 3224793600. Its totient is φ = 257556480.

The previous prime is 996415691. The next prime is 996415751. The reversal of 996415728 is 827514699.

It is a congruent number.

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, 949348 + ... + 950396.

It is an arithmetic number, because the mean of its divisors is an integer number (20154960).

Almost surely, 2^996415728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996415728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612396800).

996415728 is an abundant number, since it is smaller than the sum of its proper divisors (2228377872).

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

996415728 is a wasteful number, since it uses less digits than its factorization.

996415728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1329 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 996415728 is about 31566.0534118537. The cubic root of 996415728 is about 998.8038123724.

The spelling of 996415728 in words is "nine hundred ninety-six million, four hundred fifteen thousand, seven hundred twenty-eight".