851338 has 8 divisors (see below), whose sum is σ = 1285920. Its totient is φ = 422700.

The previous prime is 851327. The next prime is 851351. The reversal of 851338 is 833158.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is an unprimeable number.

851338 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108 + ... + 1711.

It is an arithmetic number, because the mean of its divisors is an integer number (160740).

2⁸⁵¹³³⁸ is an apocalyptic number.

851338 is a deficient number, since it is larger than the sum of its proper divisors (434582).

851338 is a wasteful number, since it uses less digits than its factorization.

851338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972.

The product of its digits is 2880, while the sum is 28.

The square root of 851338 is about 922.6797927775. The cubic root of 851338 is about 94.7765013832.

The spelling of 851338 in words is "eight hundred fifty-one thousand, three hundred thirty-eight".