628701392 has 20 divisors (see below), whose sum is σ = 1328846496. Its totient is φ = 285773280.

The previous prime is 628701383. The next prime is 628701397. The reversal of 628701392 is 293107826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628701397) 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, 1785908 + ... + 1786259.

Almost surely, 2^628701392 is an apocalyptic number.

It is an amenable number.

628701392 is an abundant number, since it is smaller than the sum of its proper divisors (700145104).

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

628701392 is a wasteful number, since it uses less digits than its factorization.

628701392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3572186 (or 3572180 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 628701392 is about 25073.9185609270. The cubic root of 628701392 is about 856.6724634012.

The spelling of 628701392 in words is "six hundred twenty-eight million, seven hundred one thousand, three hundred ninety-two".