628983804 has 48 divisors (see below), whose sum is σ = 1481397120. Its totient is φ = 207704640.

The previous prime is 628983787. The next prime is 628983821. The reversal of 628983804 is 408389826.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (628983787) and next prime (628983821).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 951234 + ... + 951894.

It is an arithmetic number, because the mean of its divisors is an integer number (30862440).

Almost surely, 2^628983804 is an apocalyptic number.

It is an amenable number.

628983804 is an abundant number, since it is smaller than the sum of its proper divisors (852413316).

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

628983804 is a wasteful number, since it uses less digits than its factorization.

628983804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 628983804 is about 25079.5495174854. The cubic root of 628983804 is about 856.8007163208.

The spelling of 628983804 in words is "six hundred twenty-eight million, nine hundred eighty-three thousand, eight hundred four".