858942804 has 48 divisors (see below), whose sum is σ = 2149519680. Its totient is φ = 266123520.

The previous prime is 858942767. The next prime is 858942829. The reversal of 858942804 is 408249858.

858942804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 23457 + ... + 47624.

It is an arithmetic number, because the mean of its divisors is an integer number (44781660).

Almost surely, 2^858942804 is an apocalyptic number.

It is an amenable number.

858942804 is an abundant number, since it is smaller than the sum of its proper divisors (1290576876).

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

858942804 is a wasteful number, since it uses less digits than its factorization.

858942804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71160 (or 71158 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 858942804 is about 29307.7260120945. The cubic root of 858942804 is about 950.5787070493.

The spelling of 858942804 in words is "eight hundred fifty-eight million, nine hundred forty-two thousand, eight hundred four".