628426694 has 16 divisors (see below), whose sum is σ = 1114452000. Its totient is φ = 260038464.

The previous prime is 628426679. The next prime is 628426703. The reversal of 628426694 is 496624826.

It is a happy number.

628426694 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773519 + ... + 774330.

It is an arithmetic number, because the mean of its divisors is an integer number (69653250).

Almost surely, 2^628426694 is an apocalyptic number.

628426694 is a deficient number, since it is larger than the sum of its proper divisors (486025306).

628426694 is a wasteful number, since it uses less digits than its factorization.

628426694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547887.

The product of its digits is 995328, while the sum is 47.

The square root of 628426694 is about 25068.4401987838. The cubic root of 628426694 is about 856.5476768187.

The spelling of 628426694 in words is "six hundred twenty-eight million, four hundred twenty-six thousand, six hundred ninety-four".