996728 has 16 divisors (see below), whose sum is σ = 1950480. Its totient is φ = 476608.

The previous prime is 996703. The next prime is 996739. The reversal of 996728 is 827699.

It is a congruent number.

It is an unprimeable number.

996728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525 + ... + 2892.

It is an arithmetic number, because the mean of its divisors is an integer number (121905).

2⁹⁹⁶⁷²⁸ is an apocalyptic number.

It is an amenable number.

996728 is a deficient number, since it is larger than the sum of its proper divisors (953752).

996728 is a wasteful number, since it uses less digits than its factorization.

996728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446 (or 5442 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 996728 is about 998.3626595581. The cubic root of 996728 is about 99.8908141612.

The spelling of 996728 in words is "nine hundred ninety-six thousand, seven hundred twenty-eight".