628974336 has 36 divisors (see below), whose sum is σ = 1673991032. Its totient is φ = 209657856.

The previous prime is 628974329. The next prime is 628974337. The reversal of 628974336 is 633479826.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628974337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408721 + ... + 410256.

Almost surely, 2^628974336 is an apocalyptic number.

It is an amenable number.

628974336 is an abundant number, since it is smaller than the sum of its proper divisors (1045016696).

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

628974336 is an equidigital number, since it uses as much as digits as its factorization.

628974336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818996 (or 818982 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 628974336 is about 25079.3607574037. The cubic root of 628974336 is about 856.7964172011.

The spelling of 628974336 in words is "six hundred twenty-eight million, nine hundred seventy-four thousand, three hundred thirty-six".