628940360 has 64 divisors (see below), whose sum is σ = 1455727680. Its totient is φ = 244419840.

The previous prime is 628940353. The next prime is 628940387. The reversal of 628940360 is 63049826.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362054 + ... + 363786.

It is an arithmetic number, because the mean of its divisors is an integer number (22745745).

Almost surely, 2^628940360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628940360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (727863840).

628940360 is an abundant number, since it is smaller than the sum of its proper divisors (826787320).

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

628940360 is a wasteful number, since it uses less digits than its factorization.

628940360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1994 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 628940360 is about 25078.6833785189. The cubic root of 628940360 is about 856.7809894179.

The spelling of 628940360 in words is "six hundred twenty-eight million, nine hundred forty thousand, three hundred sixty".