8628865 has 8 divisors (see below), whose sum is σ = 11833920. Its totient is φ = 5916912.

The previous prime is 8628859. The next prime is 8628883. The reversal of 8628865 is 5688268.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8628865 - 2³ = 8628857 is a prime.

It is a super-2 number, since 2×8628865² = 148914622376450, which contains 22 as substring.

8628865 is a lucky 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, 123235 + ... + 123304.

It is an arithmetic number, because the mean of its divisors is an integer number (1479240).

Almost surely, 2^8628865 is an apocalyptic number.

It is an amenable number.

8628865 is a deficient number, since it is larger than the sum of its proper divisors (3205055).

8628865 is a wasteful number, since it uses less digits than its factorization.

8628865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246551.

The product of its digits is 184320, while the sum is 43.

The square root of 8628865 is about 2937.4929787150. The cubic root of 8628865 is about 205.1089248619.

The spelling of 8628865 in words is "eight million, six hundred twenty-eight thousand, eight hundred sixty-five".