858412 has 6 divisors (see below), whose sum is σ = 1502228. Its totient is φ = 429204.

The previous prime is 858397. The next prime is 858427. The reversal of 858412 is 214858.

It is an interprime number because it is at equal distance from previous prime (858397) and next prime (858427).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107298 + ... + 107305.

2⁸⁵⁸⁴¹² is an apocalyptic number.

It is an amenable number.

858412 is a deficient number, since it is larger than the sum of its proper divisors (643816).

858412 is a wasteful number, since it uses less digits than its factorization.

858412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214607 (or 214605 counting only the distinct ones).

The product of its digits is 2560, while the sum is 28.

The square root of 858412 is about 926.5052617228. The cubic root of 858412 is about 95.0382855843.

The spelling of 858412 in words is "eight hundred fifty-eight thousand, four hundred twelve".