851204 has 6 divisors (see below), whose sum is σ = 1489614. Its totient is φ = 425600.

The previous prime is 851203. The next prime is 851209. The reversal of 851204 is 402158.

851204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 23104 = 910^2 + 152^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 851204.

It is not an unprimeable number, because it can be changed into a prime (851203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106397 + ... + 106404.

It is an arithmetic number, because the mean of its divisors is an integer number (248269).

2⁸⁵¹²⁰⁴ is an apocalyptic number.

It is an amenable number.

851204 is a deficient number, since it is larger than the sum of its proper divisors (638410).

851204 is a wasteful number, since it uses less digits than its factorization.

851204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212805 (or 212803 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 851204 is about 922.6071753460. The cubic root of 851204 is about 94.7715285374.

The spelling of 851204 in words is "eight hundred fifty-one thousand, two hundred four".