628990410 has 32 divisors (see below), whose sum is σ = 1510299072. Its totient is φ = 167650560.

The previous prime is 628990391. The next prime is 628990447. The reversal of 628990410 is 14099826.

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, 85602 + ... + 92658.

It is an arithmetic number, because the mean of its divisors is an integer number (47196846).

Almost surely, 2^628990410 is an apocalyptic number.

628990410 is an abundant number, since it is smaller than the sum of its proper divisors (881308662).

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

628990410 is a wasteful number, since it uses less digits than its factorization.

628990410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 628990410 is about 25079.6812180697. The cubic root of 628990410 is about 856.8037158711.

The spelling of 628990410 in words is "six hundred twenty-eight million, nine hundred ninety thousand, four hundred ten".