858252 has 24 divisors (see below), whose sum is σ = 2057776. Its totient is φ = 278208.

The previous prime is 858251. The next prime is 858259. The reversal of 858252 is 252858.

It is not an unprimeable number, because it can be changed into a prime (858251) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523 + ... + 1410.

2⁸⁵⁸²⁵² is an apocalyptic number.

It is an amenable number.

858252 is an abundant number, since it is smaller than the sum of its proper divisors (1199524).

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

858252 is a wasteful number, since it uses less digits than its factorization.

858252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1975 counting only the distinct ones).

The product of its digits is 6400, while the sum is 30.

The square root of 858252 is about 926.4189117241. The cubic root of 858252 is about 95.0323804670.

The spelling of 858252 in words is "eight hundred fifty-eight thousand, two hundred fifty-two".