628603402 has 16 divisors (see below), whose sum is σ = 1085474880. Its totient is φ = 267434208.

The previous prime is 628603387. The next prime is 628603411. The reversal of 628603402 is 204306826.

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, 161952 + ... + 165787.

It is an arithmetic number, because the mean of its divisors is an integer number (67842180).

Almost surely, 2^628603402 is an apocalyptic number.

628603402 is a deficient number, since it is larger than the sum of its proper divisors (456871478).

628603402 is a wasteful number, since it uses less digits than its factorization.

628603402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327885.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 628603402 is about 25071.9644623233. The cubic root of 628603402 is about 856.6279538257.

The spelling of 628603402 in words is "six hundred twenty-eight million, six hundred three thousand, four hundred two".