851396 has 24 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 336672.

The previous prime is 851393. The next prime is 851401. The reversal of 851396 is 693158.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 851396.

It is not an unprimeable number, because it can be changed into a prime (851393) 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, 806 + ... + 1533.

It is an arithmetic number, because the mean of its divisors is an integer number (76440).

2⁸⁵¹³⁹⁶ is an apocalyptic number.

It is an amenable number.

851396 is an abundant number, since it is smaller than the sum of its proper divisors (983164).

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

851396 is a wasteful number, since it uses less digits than its factorization.

851396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2361 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 851396 is about 922.7112224309. The cubic root of 851396 is about 94.7786536471.

The spelling of 851396 in words is "eight hundred fifty-one thousand, three hundred ninety-six".