628066396 has 12 divisors (see below), whose sum is σ = 1109787952. Its totient is φ = 310984128.

The previous prime is 628066391. The next prime is 628066399. The reversal of 628066396 is 693660826.

It is a happy number.

628066396 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 (628066391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761805 + ... + 762628.

Almost surely, 2^628066396 is an apocalyptic number.

It is an amenable number.

628066396 is a deficient number, since it is larger than the sum of its proper divisors (481721556).

628066396 is a wasteful number, since it uses less digits than its factorization.

628066396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524540 (or 1524538 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 628066396 is about 25061.2528816897. The cubic root of 628066396 is about 856.3839497334.

The spelling of 628066396 in words is "six hundred twenty-eight million, sixty-six thousand, three hundred ninety-six".