996668460 has 72 divisors (see below), whose sum is σ = 3025800960. Its totient is φ = 265552128.

The previous prime is 996668459. The next prime is 996668521. The reversal of 996668460 is 64866699.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 996668397 and 996668406.

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, 401784 + ... + 404256.

Almost surely, 2^996668460 is an apocalyptic number.

996668460 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

996668460 is an abundant number, since it is smaller than the sum of its proper divisors (2029132500).

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

996668460 is a wasteful number, since it uses less digits than its factorization.

996668460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 996668460 is about 31570.0563825914. The cubic root of 996668460 is about 998.8882511392. Note that the first 3 decimals are identical.

The spelling of 996668460 in words is "nine hundred ninety-six million, six hundred sixty-eight thousand, four hundred sixty".