628632248 has 16 divisors (see below), whose sum is σ = 1185273000. Its totient is φ = 312559456.

The previous prime is 628632247. The next prime is 628632253. The reversal of 628632248 is 842236826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628632241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218063 + ... + 220926.

Almost surely, 2^628632248 is an apocalyptic number.

It is an amenable number.

628632248 is a deficient number, since it is larger than the sum of its proper divisors (556640752).

628632248 is a wasteful number, since it uses less digits than its factorization.

628632248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439174 (or 439170 counting only the distinct ones).

The product of its digits is 221184, while the sum is 41.

The square root of 628632248 is about 25072.5397197811. The cubic root of 628632248 is about 856.6410569004.

The spelling of 628632248 in words is "six hundred twenty-eight million, six hundred thirty-two thousand, two hundred forty-eight".