83231898 has 32 divisors (see below), whose sum is σ = 177629760. Its totient is φ = 25908480.

The previous prime is 83231891. The next prime is 83231903. The reversal of 83231898 is 89813238.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (83231891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10248 + ... + 16476.

It is an arithmetic number, because the mean of its divisors is an integer number (5550930).

Almost surely, 2^83231898 is an apocalyptic number.

83231898 is an abundant number, since it is smaller than the sum of its proper divisors (94397862).

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

83231898 is a wasteful number, since it uses less digits than its factorization.

83231898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382.

The product of its digits is 82944, while the sum is 42.

The square root of 83231898 is about 9123.1517580275. The cubic root of 83231898 is about 436.6129365612.

The spelling of 83231898 in words is "eighty-three million, two hundred thirty-one thousand, eight hundred ninety-eight".