851834260 has 12 divisors (see below), whose sum is σ = 1788851988. Its totient is φ = 340733696.

The previous prime is 851834227. The next prime is 851834261. The reversal of 851834260 is 62438158.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 309689604 + 542144656 = 17598^2 + 23284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851834261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21295837 + ... + 21295876.

It is an arithmetic number, because the mean of its divisors is an integer number (149070999).

Almost surely, 2^851834260 is an apocalyptic number.

It is an amenable number.

851834260 is an abundant number, since it is smaller than the sum of its proper divisors (937017728).

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

851834260 is a wasteful number, since it uses less digits than its factorization.

851834260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42591722 (or 42591720 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 851834260 is about 29186.1998211484. The cubic root of 851834260 is about 947.9491343987.

It can be divided in two parts, 8518 and 34260, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 851834260 in words is "eight hundred fifty-one million, eight hundred thirty-four thousand, two hundred sixty".