858916368 has 30 divisors (see below), whose sum is σ = 2403773294. Its totient is φ = 286305408.

The previous prime is 858916351. The next prime is 858916441. The reversal of 858916368 is 863619858.

It can be written as a sum of positive squares in only one way, i.e., 789160464 + 69755904 = 28092^2 + 8352^2 .

It is a super-2 number, since 2×858916368² = 1475474654436622848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2982205 + ... + 2982492.

Almost surely, 2^858916368 is an apocalyptic number.

It is an amenable number.

858916368 is an abundant number, since it is smaller than the sum of its proper divisors (1544856926).

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

858916368 is a wasteful number, since it uses less digits than its factorization.

858916368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5964711 (or 5964702 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 858916368 is about 29307.2750012689. The cubic root of 858916368 is about 950.5689548452.

The spelling of 858916368 in words is "eight hundred fifty-eight million, nine hundred sixteen thousand, three hundred sixty-eight".