811602244 has 12 divisors (see below), whose sum is σ = 1425433324. Its totient is φ = 404335584.

The previous prime is 811602241. The next prime is 811602277. The reversal of 811602244 is 442206118.

It can be written as a sum of positive squares in 2 ways, for example, as 144000000 + 667602244 = 12000^2 + 25838^2 .

It is not an unprimeable number, because it can be changed into a prime (811602241) 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, 365139 + ... + 367354.

Almost surely, 2^811602244 is an apocalyptic number.

It is an amenable number.

811602244 is a deficient number, since it is larger than the sum of its proper divisors (613831080).

811602244 is a wasteful number, since it uses less digits than its factorization.

811602244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732774 (or 732772 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 811602244 is about 28488.6335930666. The cubic root of 811602244 is about 932.7839821060.

The spelling of 811602244 in words is "eight hundred eleven million, six hundred two thousand, two hundred forty-four".