628682874 has 16 divisors (see below), whose sum is σ = 1312034112. Its totient is φ = 200449568.

The previous prime is 628682867. The next prime is 628682881. The reversal of 628682874 is 478286826.

It is an interprime number because it is at equal distance from previous prime (628682867) and next prime (628682881).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277699 + ... + 2277974.

It is an arithmetic number, because the mean of its divisors is an integer number (82002132).

Almost surely, 2^628682874 is an apocalyptic number.

628682874 is an abundant number, since it is smaller than the sum of its proper divisors (683351238).

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

628682874 is a wasteful number, since it uses less digits than its factorization.

628682874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555701.

The product of its digits is 2064384, while the sum is 51.

The square root of 628682874 is about 25073.5492900387. The cubic root of 628682874 is about 856.6640524043.

The spelling of 628682874 in words is "six hundred twenty-eight million, six hundred eighty-two thousand, eight hundred seventy-four".