996635420 has 48 divisors (see below), whose sum is σ = 2314515168. Its totient is φ = 357442560.

The previous prime is 996635417. The next prime is 996635447. The reversal of 996635420 is 24536699.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 14969 + ... + 47088.

It is an arithmetic number, because the mean of its divisors is an integer number (48219066).

Almost surely, 2^996635420 is an apocalyptic number.

It is an amenable number.

996635420 is an abundant number, since it is smaller than the sum of its proper divisors (1317879748).

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

996635420 is a wasteful number, since it uses less digits than its factorization.

996635420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62150 (or 62148 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 996635420 is about 31569.5330975927. The cubic root of 996635420 is about 998.8772131548.

The spelling of 996635420 in words is "nine hundred ninety-six million, six hundred thirty-five thousand, four hundred twenty".