849573231 has 32 divisors (see below), whose sum is σ = 1258414080. Its totient is φ = 506507904.

The previous prime is 849573227. The next prime is 849573253. The reversal of 849573231 is 132375948.

It is not a de Polignac number, because 849573231 - 2² = 849573227 is a prime.

It is a super-2 number, since 2×849573231² = 1443549349663558722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849573271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210985 + ... + 214973.

It is an arithmetic number, because the mean of its divisors is an integer number (39325440).

Almost surely, 2^849573231 is an apocalyptic number.

849573231 is a deficient number, since it is larger than the sum of its proper divisors (408840849).

849573231 is a wasteful number, since it uses less digits than its factorization.

849573231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175.

The product of its digits is 181440, while the sum is 42.

The square root of 849573231 is about 29147.4395273410. The cubic root of 849573231 is about 947.1096754623.

It can be divided in two parts, 84957 and 3231, that added together give a palindrome (88188).

The spelling of 849573231 in words is "eight hundred forty-nine million, five hundred seventy-three thousand, two hundred thirty-one".