815026 has 8 divisors (see below), whose sum is σ = 1243440. Its totient is φ = 400548.

The previous prime is 814991. The next prime is 815029. The reversal of 815026 is 620518.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 814988 and 815006.

It is not an unprimeable number, because it can be changed into a prime (815029) by changing a digit.

815026 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, 3336 + ... + 3571.

It is an arithmetic number, because the mean of its divisors is an integer number (155430).

2⁸¹⁵⁰²⁶ is an apocalyptic number.

815026 is a deficient number, since it is larger than the sum of its proper divisors (428414).

815026 is a wasteful number, since it uses less digits than its factorization.

815026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968.

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

The square root of 815026 is about 902.7879042167. The cubic root of 815026 is about 93.4093796320.

The spelling of 815026 in words is "eight hundred fifteen thousand, twenty-six".