814243404 has 48 divisors (see below), whose sum is σ = 2153742080. Its totient is φ = 237349440.

The previous prime is 814243379. The next prime is 814243457. The reversal of 814243404 is 404342418.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134392 + ... + 140319.

Almost surely, 2^814243404 is an apocalyptic number.

It is an amenable number.

814243404 is an abundant number, since it is smaller than the sum of its proper divisors (1339498676).

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

814243404 is a wasteful number, since it uses less digits than its factorization.

814243404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274750 (or 274748 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 814243404 is about 28534.9505694333. The cubic root of 814243404 is about 933.7947252187.

The spelling of 814243404 in words is "eight hundred fourteen million, two hundred forty-three thousand, four hundred four".