628679396 has 6 divisors (see below), whose sum is σ = 1100188950. Its totient is φ = 314339696.

The previous prime is 628679351. The next prime is 628679413. The reversal of 628679396 is 693976826.

628679396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 611572900 + 17106496 = 24730^2 + 4136^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78584921 + ... + 78584928.

It is an arithmetic number, because the mean of its divisors is an integer number (183364825).

Almost surely, 2^628679396 is an apocalyptic number.

It is an amenable number.

628679396 is a deficient number, since it is larger than the sum of its proper divisors (471509554).

628679396 is a wasteful number, since it uses less digits than its factorization.

628679396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157169853 (or 157169851 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 56.

The square root of 628679396 is about 25073.4799339860. The cubic root of 628679396 is about 856.6624726555.

The spelling of 628679396 in words is "six hundred twenty-eight million, six hundred seventy-nine thousand, three hundred ninety-six".