996756444 has 72 divisors (see below), whose sum is σ = 2672783568. Its totient is φ = 312122880.

The previous prime is 996756421. The next prime is 996756457. The reversal of 996756444 is 444657699.

It is a happy number.

996756444 is a `hidden beast` number, since 99 + 67 + 56 + 444 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421714 + ... + 424070.

It is an arithmetic number, because the mean of its divisors is an integer number (37121994).

Almost surely, 2^996756444 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 996756444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1336391784).

996756444 is an abundant number, since it is smaller than the sum of its proper divisors (1676027124).

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

996756444 is a wasteful number, since it uses less digits than its factorization.

996756444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075 (or 3070 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The square root of 996756444 is about 31571.4498241687. The cubic root of 996756444 is about 998.9176435939.

The spelling of 996756444 in words is "nine hundred ninety-six million, seven hundred fifty-six thousand, four hundred forty-four".