996807280 has 40 divisors (see below), whose sum is σ = 2648660832. Its totient is φ = 341762304.

The previous prime is 996807271. The next prime is 996807311. The reversal of 996807280 is 82708699.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 889447 + ... + 890566.

Almost surely, 2^996807280 is an apocalyptic number.

It is an amenable number.

996807280 is an abundant number, since it is smaller than the sum of its proper divisors (1651853552).

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

996807280 is a wasteful number, since it uses less digits than its factorization.

996807280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780033 (or 1780027 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 996807280 is about 31572.2549083844. The cubic root of 996807280 is about 998.9346253800.

The spelling of 996807280 in words is "nine hundred ninety-six million, eight hundred seven thousand, two hundred eighty".