865364404 has 6 divisors (see below), whose sum is σ = 1514387714. Its totient is φ = 432682200.

The previous prime is 865364389. The next prime is 865364431. The reversal of 865364404 is 404463568.

865364404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 557432100 + 307932304 = 23610^2 + 17548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108170547 + ... + 108170554.

Almost surely, 2^865364404 is an apocalyptic number.

It is an amenable number.

865364404 is a deficient number, since it is larger than the sum of its proper divisors (649023310).

865364404 is a wasteful number, since it uses less digits than its factorization.

865364404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216341105 (or 216341103 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 865364404 is about 29417.0767412399. The cubic root of 865364404 is about 952.9417231388.

The spelling of 865364404 in words is "eight hundred sixty-five million, three hundred sixty-four thousand, four hundred four".