851316 has 24 divisors (see below), whose sum is σ = 2020704. Its totient is φ = 278880.

The previous prime is 851303. The next prime is 851321. The reversal of 851316 is 613158.

It is a congruent number.

It is an unprimeable number.

851316 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151 + ... + 1313.

It is an arithmetic number, because the mean of its divisors is an integer number (84196).

2⁸⁵¹³¹⁶ is an apocalyptic number.

It is an amenable number.

851316 is an abundant number, since it is smaller than the sum of its proper divisors (1169388).

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

851316 is a wasteful number, since it uses less digits than its factorization.

851316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 851316 is about 922.6678709048. The cubic root of 851316 is about 94.7756849816.

The spelling of 851316 in words is "eight hundred fifty-one thousand, three hundred sixteen".