82423198 has 32 divisors (see below), whose sum is σ = 149194080. Its totient is φ = 33644160.

The previous prime is 82423193. The next prime is 82423207. The reversal of 82423198 is 89132428.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82423193) 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, 6688 + ... + 14476.

It is an arithmetic number, because the mean of its divisors is an integer number (4662315).

Almost surely, 2^82423198 is an apocalyptic number.

82423198 is a deficient number, since it is larger than the sum of its proper divisors (66770882).

82423198 is a wasteful number, since it uses less digits than its factorization.

82423198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852.

The product of its digits is 27648, while the sum is 37.

The square root of 82423198 is about 9078.7222669272. The cubic root of 82423198 is about 435.1942550728.

It can be divided in two parts, 82423 and 198, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 82423198 in words is "eighty-two million, four hundred twenty-three thousand, one hundred ninety-eight".