8231215 has 8 divisors (see below), whose sum is σ = 10218240. Its totient is φ = 6357792.

The previous prime is 8231177. The next prime is 8231219. The reversal of 8231215 is 5121328.

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 8231215 - 2⁷ = 8231087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8231219) 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, 28239 + ... + 28528.

It is an arithmetic number, because the mean of its divisors is an integer number (1277280).

Almost surely, 2^8231215 is an apocalyptic number.

8231215 is a deficient number, since it is larger than the sum of its proper divisors (1987025).

8231215 is a wasteful number, since it uses less digits than its factorization.

8231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56801.

The product of its digits is 480, while the sum is 22.

The square root of 8231215 is about 2869.0094109291. The cubic root of 8231215 is about 201.9085214649.

The spelling of 8231215 in words is "eight million, two hundred thirty-one thousand, two hundred fifteen".