864242404 has 9 divisors (see below), whose sum is σ = 1512527107. Its totient is φ = 432091804.

The previous prime is 864242387. The next prime is 864242429. The reversal of 864242404 is 404242468.

The square root of 864242404 is 29398.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864242404.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51447 + ... + 66145.

Almost surely, 2^864242404 is an apocalyptic number.

864242404 is the 29398-th square number.

It is an amenable number.

864242404 is a deficient number, since it is larger than the sum of its proper divisors (648284703).

864242404 is an frugal number, since it uses more digits than its factorization.

864242404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29402 (or 14701 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 34.

The cubic root of 864242404 is about 952.5296951588.

The spelling of 864242404 in words is "eight hundred sixty-four million, two hundred forty-two thousand, four hundred four".