628763392 has 18 divisors (see below), whose sum is σ = 1255071188. Its totient is φ = 314381568.

The previous prime is 628763383. The next prime is 628763393. The reversal of 628763392 is 293367826.

It is not an unprimeable number, because it can be changed into a prime (628763393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227798 + ... + 1228309.

Almost surely, 2^628763392 is an apocalyptic number.

It is an amenable number.

628763392 is a deficient number, since it is larger than the sum of its proper divisors (626307796).

628763392 is an equidigital number, since it uses as much as digits as its factorization.

628763392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456123 (or 2456109 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The square root of 628763392 is about 25075.1548748956. The cubic root of 628763392 is about 856.7006230053.

The spelling of 628763392 in words is "six hundred twenty-eight million, seven hundred sixty-three thousand, three hundred ninety-two".