83638196 has 12 divisors (see below), whose sum is σ = 149937060. Its totient is φ = 40799040.

The previous prime is 83638151. The next prime is 83638271. The reversal of 83638196 is 69183638.

It can be written as a sum of positive squares in 2 ways, for example, as 2890000 + 80748196 = 1700^2 + 8986^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254831 + ... + 255158.

It is an arithmetic number, because the mean of its divisors is an integer number (12494755).

Almost surely, 2^83638196 is an apocalyptic number.

It is an amenable number.

83638196 is a deficient number, since it is larger than the sum of its proper divisors (66298864).

83638196 is a wasteful number, since it uses less digits than its factorization.

83638196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510034 (or 510032 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 83638196 is about 9145.3920637663. The cubic root of 83638196 is about 437.3222282919.

The spelling of 83638196 in words is "eighty-three million, six hundred thirty-eight thousand, one hundred ninety-six".