996699628 has 12 divisors (see below), whose sum is σ = 1744575952. Its totient is φ = 498249360.

The previous prime is 996699619. The next prime is 996699643. The reversal of 996699628 is 826996699.

996699628 is a nontrivial binomial coefficient, being equal to C(44648, 2).

It is a self number, because there is not a number n which added to its sum of digits gives 996699628.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 44647.

Almost surely, 2^996699628 is an apocalyptic number.

996699628 is the 44647-th triangular number and also the 22324-th hexagonal number.

996699628 is the 14883-rd centered nonagonal number.

It is an amenable number.

996699628 is a deficient number, since it is larger than the sum of its proper divisors (747876324).

996699628 is a wasteful number, since it uses less digits than its factorization.

996699628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50232 (or 50230 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 64.

The square root of 996699628 is about 31570.5500110467. The cubic root of 996699628 is about 998.8986635032.

The spelling of 996699628 in words is "nine hundred ninety-six million, six hundred ninety-nine thousand, six hundred twenty-eight".