8398640604 has 24 divisors (see below), whose sum is σ = 20628240640. Its totient is φ = 2652202224.

The previous prime is 8398640597. The next prime is 8398640609. The reversal of 8398640604 is 4060468938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8398640609) 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, 18417844 + ... + 18418299.

Almost surely, 2^8398640604 is an apocalyptic number.

It is an amenable number.

8398640604 is an abundant number, since it is smaller than the sum of its proper divisors (12229600036).

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

8398640604 is a wasteful number, since it uses less digits than its factorization.

8398640604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36836169 (or 36836167 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The square root of 8398640604 is about 91644.0974858719. The cubic root of 8398640604 is about 2032.6830501628.

The spelling of 8398640604 in words is "eight billion, three hundred ninety-eight million, six hundred forty thousand, six hundred four".