628884264 has 64 divisors (see below), whose sum is σ = 1709726400. Its totient is φ = 191960064.

The previous prime is 628884251. The next prime is 628884283. The reversal of 628884264 is 462488826.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5734 + ... + 35925.

It is an arithmetic number, because the mean of its divisors is an integer number (26714475).

Almost surely, 2^628884264 is an apocalyptic number.

It is an amenable number.

628884264 is an abundant number, since it is smaller than the sum of its proper divisors (1080842136).

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

628884264 is a wasteful number, since it uses less digits than its factorization.

628884264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41722 (or 41718 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 48.

The square root of 628884264 is about 25077.5649535596. The cubic root of 628884264 is about 856.7555161942.

The spelling of 628884264 in words is "six hundred twenty-eight million, eight hundred eighty-four thousand, two hundred sixty-four".