815469244 has 12 divisors (see below), whose sum is σ = 1433197584. Its totient is φ = 405984224.

The previous prime is 815469217. The next prime is 815469247. The reversal of 815469244 is 442964518.

It is a self number, because there is not a number n which added to its sum of digits gives 815469244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815469247) 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, 436552 + ... + 438415.

It is an arithmetic number, because the mean of its divisors is an integer number (119433132).

Almost surely, 2^815469244 is an apocalyptic number.

It is an amenable number.

815469244 is a deficient number, since it is larger than the sum of its proper divisors (617728340).

815469244 is a wasteful number, since it uses less digits than its factorization.

815469244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875204 (or 875202 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 815469244 is about 28556.4221148238. The cubic root of 815469244 is about 934.2630982555.

The spelling of 815469244 in words is "eight hundred fifteen million, four hundred sixty-nine thousand, two hundred forty-four".