628322304 has 52 divisors (see below), whose sum is σ = 1675354376. Its totient is φ = 209436672.

The previous prime is 628322281. The next prime is 628322311. The reversal of 628322304 is 403223826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13279 + ... + 37854.

Almost surely, 2^628322304 is an apocalyptic number.

628322304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

628322304 is an abundant number, since it is smaller than the sum of its proper divisors (1047032072).

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

628322304 is an equidigital number, since it uses as much as digits as its factorization.

628322304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51160 (or 51138 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 628322304 is about 25066.3580122841. The cubic root of 628322304 is about 856.5002462198.

The spelling of 628322304 in words is "six hundred twenty-eight million, three hundred twenty-two thousand, three hundred four".