628427604 has 24 divisors (see below), whose sum is σ = 1675807168. Its totient is φ = 179550720.

The previous prime is 628427587. The next prime is 628427621. The reversal of 628427604 is 406724826.

It is an interprime number because it is at equal distance from previous prime (628427587) and next prime (628427621).

It is a congruent number.

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, 3740557 + ... + 3740724.

Almost surely, 2^628427604 is an apocalyptic number.

It is an amenable number.

628427604 is an abundant number, since it is smaller than the sum of its proper divisors (1047379564).

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

628427604 is a wasteful number, since it uses less digits than its factorization.

628427604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481295 (or 7481293 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 628427604 is about 25068.4583490888. The cubic root of 628427604 is about 856.5480902629.

The spelling of 628427604 in words is "six hundred twenty-eight million, four hundred twenty-seven thousand, six hundred four".