851268 has 24 divisors (see below), whose sum is σ = 2167200. Its totient is φ = 257920.

The previous prime is 851267. The next prime is 851273. The reversal of 851268 is 862158.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (851261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3093 + ... + 3356.

It is an arithmetic number, because the mean of its divisors is an integer number (90300).

2⁸⁵¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

851268 is an abundant number, since it is smaller than the sum of its proper divisors (1315932).

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

851268 is a wasteful number, since it uses less digits than its factorization.

851268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6465 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 851268 is about 922.6418590114. The cubic root of 851268 is about 94.7739036930.

The spelling of 851268 in words is "eight hundred fifty-one thousand, two hundred sixty-eight".