628754356 has 6 divisors (see below), whose sum is σ = 1100320130. Its totient is φ = 314377176.

The previous prime is 628754353. The next prime is 628754377. The reversal of 628754356 is 653457826.

628754356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 404653456 + 224100900 = 20116^2 + 14970^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628754353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78594291 + ... + 78594298.

Almost surely, 2^628754356 is an apocalyptic number.

It is an amenable number.

628754356 is a deficient number, since it is larger than the sum of its proper divisors (471565774).

628754356 is a wasteful number, since it uses less digits than its factorization.

628754356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157188593 (or 157188591 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 46.

The square root of 628754356 is about 25074.9746958995. The cubic root of 628754356 is about 856.6965190853.

The spelling of 628754356 in words is "six hundred twenty-eight million, seven hundred fifty-four thousand, three hundred fifty-six".