83198620 has 24 divisors (see below), whose sum is σ = 175896000. Its totient is φ = 33054912.

The previous prime is 83198597. The next prime is 83198639. The reversal of 83198620 is 2689138.

It is a self number, because there is not a number n which added to its sum of digits gives 83198620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10980 + ... + 16939.

It is an arithmetic number, because the mean of its divisors is an integer number (7329000).

Almost surely, 2^83198620 is an apocalyptic number.

It is an amenable number.

83198620 is an abundant number, since it is smaller than the sum of its proper divisors (92697380).

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

83198620 is a wasteful number, since it uses less digits than its factorization.

83198620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28077 (or 28075 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 83198620 is about 9121.3277542253. The cubic root of 83198620 is about 436.5547395538.

The spelling of 83198620 in words is "eighty-three million, one hundred ninety-eight thousand, six hundred twenty".