83540198 has 24 divisors (see below), whose sum is σ = 146291184. Its totient is φ = 35674800.

The previous prime is 83540189. The next prime is 83540203. The reversal of 83540198 is 89104538.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29108 + ... + 31848.

It is an arithmetic number, because the mean of its divisors is an integer number (6095466).

Almost surely, 2^83540198 is an apocalyptic number.

83540198 is a deficient number, since it is larger than the sum of its proper divisors (62750986).

83540198 is a wasteful number, since it uses less digits than its factorization.

83540198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 83540198 is about 9140.0327132894. The cubic root of 83540198 is about 437.1513595782.

It can be divided in two parts, 83540 and 198, that added together give a palindrome (83738).

The spelling of 83540198 in words is "eighty-three million, five hundred forty thousand, one hundred ninety-eight".