83613798 has 48 divisors (see below), whose sum is σ = 185470272. Its totient is φ = 27216000.

The previous prime is 83613793. The next prime is 83613823. The reversal of 83613798 is 89731638.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83613793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297418 + ... + 297698.

It is an arithmetic number, because the mean of its divisors is an integer number (3863964).

Almost surely, 2^83613798 is an apocalyptic number.

83613798 is an abundant number, since it is smaller than the sum of its proper divisors (101856474).

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

83613798 is a wasteful number, since it uses less digits than its factorization.

83613798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 618 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 83613798 is about 9144.0580706817. The cubic root of 83613798 is about 437.2797005717.

The spelling of 83613798 in words is "eighty-three million, six hundred thirteen thousand, seven hundred ninety-eight".