815260 has 12 divisors (see below), whose sum is σ = 1712088. Its totient is φ = 326096.

The previous prime is 815257. The next prime is 815261. The reversal of 815260 is 62518.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815261) 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, 20362 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (142674).

2⁸¹⁵²⁶⁰ is an apocalyptic number.

It is an amenable number.

815260 is an abundant number, since it is smaller than the sum of its proper divisors (896828).

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

815260 is a wasteful number, since it uses less digits than its factorization.

815260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40772 (or 40770 counting only the distinct ones).

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

The square root of 815260 is about 902.9174934622. The cubic root of 815260 is about 93.4183182848.

Adding to 815260 its reverse (62518), we get a palindrome (877778).

The spelling of 815260 in words is "eight hundred fifteen thousand, two hundred sixty".