628902012 has 48 divisors (see below), whose sum is σ = 1561744800. Its totient is φ = 196288512.

The previous prime is 628902011. The next prime is 628902017. The reversal of 628902012 is 210209826.

628902012 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 not an unprimeable number, because it can be changed into a prime (628902011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32364 + ... + 48012.

It is an arithmetic number, because the mean of its divisors is an integer number (32536350).

Almost surely, 2^628902012 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 628902012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (780872400).

628902012 is an abundant number, since it is smaller than the sum of its proper divisors (932842788).

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

628902012 is a wasteful number, since it uses less digits than its factorization.

628902012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15870 (or 15868 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 628902012 is about 25077.9188131711. The cubic root of 628902012 is about 856.7635757343.

The spelling of 628902012 in words is "six hundred twenty-eight million, nine hundred two thousand, twelve".