8328645 has 48 divisors (see below), whose sum is σ = 16248960. Its totient is φ = 3915648.

The previous prime is 8328637. The next prime is 8328659. The reversal of 8328645 is 5468238.

8328645 is a `hidden beast` number, since 8 + 3 + 2 + 8 + 645 = 666.

It is not a de Polignac number, because 8328645 - 2³ = 8328637 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13146 + ... + 13764.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^8328645 is an apocalyptic number.

It is an amenable number.

8328645 is a deficient number, since it is larger than the sum of its proper divisors (7920315).

8328645 is a wasteful number, since it uses less digits than its factorization.

8328645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 663 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 8328645 is about 2885.9391885485. The cubic root of 8328645 is about 202.7020388663.

The spelling of 8328645 in words is "eight million, three hundred twenty-eight thousand, six hundred forty-five".