628004292 has 24 divisors (see below), whose sum is σ = 1481810400. Its totient is φ = 206982336.

The previous prime is 628004291. The next prime is 628004303. The reversal of 628004292 is 292400826.

628004292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (628004291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292942 + ... + 295077.

It is an arithmetic number, because the mean of its divisors is an integer number (61742100).

Almost surely, 2^628004292 is an apocalyptic number.

It is an amenable number.

628004292 is an abundant number, since it is smaller than the sum of its proper divisors (853806108).

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

628004292 is a wasteful number, since it uses less digits than its factorization.

628004292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588115 (or 588113 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 628004292 is about 25060.0138068597. The cubic root of 628004292 is about 856.3557220268.

The spelling of 628004292 in words is "six hundred twenty-eight million, four thousand, two hundred ninety-two".