815268 has 12 divisors (see below), whose sum is σ = 1902320. Its totient is φ = 271752.

The previous prime is 815261. The next prime is 815273. The reversal of 815268 is 862518.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 815268.

It is not an unprimeable number, because it can be changed into a prime (815261) by changing a digit.

815268 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33958 + ... + 33981.

2⁸¹⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

815268 is an abundant number, since it is smaller than the sum of its proper divisors (1087052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

815268 is a wasteful number, since it uses less digits than its factorization.

815268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67946 (or 67944 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 815268 is about 902.9219235349. The cubic root of 815268 is about 93.4186238495.

The spelling of 815268 in words is "eight hundred fifteen thousand, two hundred sixty-eight".