628315448 has 16 divisors (see below), whose sum is σ = 1185321480. Its totient is φ = 312229728.

The previous prime is 628315439. The next prime is 628315459. The reversal of 628315448 is 844513826.

628315448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239615 + ... + 242222.

Almost surely, 2^628315448 is an apocalyptic number.

It is an amenable number.

628315448 is a deficient number, since it is larger than the sum of its proper divisors (557006032).

628315448 is a wasteful number, since it uses less digits than its factorization.

628315448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482006 (or 482002 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 628315448 is about 25066.2212549080. The cubic root of 628315448 is about 856.4971309465.

The spelling of 628315448 in words is "six hundred twenty-eight million, three hundred fifteen thousand, four hundred forty-eight".