83895231 has 32 divisors (see below), whose sum is σ = 132963840. Its totient is φ = 46037376.

The previous prime is 83895209. The next prime is 83895247. The reversal of 83895231 is 13259838.

It is not a de Polignac number, because 83895231 - 2⁵ = 83895199 is a prime.

It is a super-2 number, since 2×83895231² = 14076819569086722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83895231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83895271) 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, 211125 + ... + 211521.

It is an arithmetic number, because the mean of its divisors is an integer number (4155120).

Almost surely, 2^83895231 is an apocalyptic number.

83895231 is a deficient number, since it is larger than the sum of its proper divisors (49068609).

83895231 is a wasteful number, since it uses less digits than its factorization.

83895231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its digits is 51840, while the sum is 39.

The square root of 83895231 is about 9159.4339890629. The cubic root of 83895231 is about 437.7697597289.

It can be divided in two parts, 838 and 95231, that added together give a palindrome (96069).

The spelling of 83895231 in words is "eighty-three million, eight hundred ninety-five thousand, two hundred thirty-one".