815460 has 24 divisors (see below), whose sum is σ = 2283456. Its totient is φ = 217440.

The previous prime is 815459. The next prime is 815471. The reversal of 815460 is 64518.

It is a self number, because there is not a number n which added to its sum of digits gives 815460.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6736 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (95144).

2⁸¹⁵⁴⁶⁰ is an apocalyptic number.

It is an amenable number.

815460 is an abundant number, since it is smaller than the sum of its proper divisors (1467996).

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

815460 is a wasteful number, since it uses less digits than its factorization.

815460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603 (or 13601 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 815460 is about 903.0282387611. The cubic root of 815460 is about 93.4259568034.

Adding to 815460 its reverse (64518), we get a palindrome (879978).

It can be divided in two parts, 815 and 460, that added together give a triangular number (1275 = T₅₀).

The spelling of 815460 in words is "eight hundred fifteen thousand, four hundred sixty".