628996 has 12 divisors (see below), whose sum is σ = 1117648. Its totient is φ = 309672.

The previous prime is 628993. The next prime is 628997. The reversal of 628996 is 699826.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (628993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906 + ... + 1441.

2⁶²⁸⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

628996 is a deficient number, since it is larger than the sum of its proper divisors (488652).

628996 is a wasteful number, since it uses less digits than its factorization.

628996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2416 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 628996 is about 793.0926805866. The cubic root of 628996 is about 85.6806254075.

The spelling of 628996 in words is "six hundred twenty-eight thousand, nine hundred ninety-six".