8390964628 has 24 divisors (see below), whose sum is σ = 14933522240. Its totient is φ = 4124831040.

The previous prime is 8390964619. The next prime is 8390964653. The reversal of 8390964628 is 8264690938.

It is a happy number.

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, 15993 + ... + 130528.

Almost surely, 2^8390964628 is an apocalyptic number.

It is an amenable number.

8390964628 is a deficient number, since it is larger than the sum of its proper divisors (6542557612).

8390964628 is a wasteful number, since it uses less digits than its factorization.

8390964628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146767 (or 146765 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 55.

The square root of 8390964628 is about 91602.2086414951. The cubic root of 8390964628 is about 2032.0636014177.

The spelling of 8390964628 in words is "eight billion, three hundred ninety million, nine hundred sixty-four thousand, six hundred twenty-eight".