8379715 has 4 divisors (see below), whose sum is σ = 10055664. Its totient is φ = 6703768.

The previous prime is 8379713. The next prime is 8379719. The reversal of 8379715 is 5179738.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8379715 - 2¹ = 8379713 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8379715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8379713) 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, 837967 + ... + 837976.

It is an arithmetic number, because the mean of its divisors is an integer number (2513916).

Almost surely, 2^8379715 is an apocalyptic number.

8379715 is a deficient number, since it is larger than the sum of its proper divisors (1675949).

8379715 is a wasteful number, since it uses less digits than its factorization.

8379715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675948.

The product of its digits is 52920, while the sum is 40.

The square root of 8379715 is about 2894.7737389993. The cubic root of 8379715 is about 203.1155077221.

The spelling of 8379715 in words is "eight million, three hundred seventy-nine thousand, seven hundred fifteen".