628288232 has 32 divisors (see below), whose sum is σ = 1383994080. Its totient is φ = 263616960.

The previous prime is 628288229. The next prime is 628288267. The reversal of 628288232 is 232882826.

It is a super-2 number, since 2×628288232² = 789492204939371648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 628288232.

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, 273458 + ... + 275745.

It is an arithmetic number, because the mean of its divisors is an integer number (43249815).

Almost surely, 2^628288232 is an apocalyptic number.

It is an amenable number.

628288232 is an abundant number, since it is smaller than the sum of its proper divisors (755705848).

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

628288232 is a wasteful number, since it uses less digits than its factorization.

628288232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549233 (or 549229 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 628288232 is about 25065.6783670421. The cubic root of 628288232 is about 856.4847641423.

The spelling of 628288232 in words is "six hundred twenty-eight million, two hundred eighty-eight thousand, two hundred thirty-two".