858867412 has 24 divisors (see below), whose sum is σ = 1703828000. Its totient is φ = 375536736.

The previous prime is 858867409. The next prime is 858867413. The reversal of 858867412 is 214768858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (858867413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433662 + ... + 435637.

Almost surely, 2^858867412 is an apocalyptic number.

It is an amenable number.

858867412 is a deficient number, since it is larger than the sum of its proper divisors (844960588).

858867412 is a wasteful number, since it uses less digits than its factorization.

858867412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869335 (or 869333 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The square root of 858867412 is about 29306.4397701256. The cubic root of 858867412 is about 950.5508945157.

The spelling of 858867412 in words is "eight hundred fifty-eight million, eight hundred sixty-seven thousand, four hundred twelve".