8279915 has 16 divisors (see below), whose sum is σ = 11953920. Its totient is φ = 5378400.

The previous prime is 8279899. The next prime is 8279917. The reversal of 8279915 is 5199728.

It is not a de Polignac number, because 8279915 - 2⁴ = 8279899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8279917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5561 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (747120).

Almost surely, 2^8279915 is an apocalyptic number.

8279915 is a deficient number, since it is larger than the sum of its proper divisors (3674005).

8279915 is a wasteful number, since it uses less digits than its factorization.

8279915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482.

The product of its digits is 45360, while the sum is 41.

The square root of 8279915 is about 2877.4841441787. The cubic root of 8279915 is about 202.3059361144.

It can be divided in two parts, 82 and 79915, that added together give a palindrome (79997).

The spelling of 8279915 in words is "eight million, two hundred seventy-nine thousand, nine hundred fifteen".