83801636 has 12 divisors (see below), whose sum is σ = 155279628. Its totient is φ = 39436032.

The previous prime is 83801603. The next prime is 83801671. The reversal of 83801636 is 63610838.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41473600 + 42328036 = 6440^2 + 6506^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 83801596 and 83801605.

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, 616121 + ... + 616256.

It is an arithmetic number, because the mean of its divisors is an integer number (12939969).

Almost surely, 2^83801636 is an apocalyptic number.

It is an amenable number.

83801636 is a deficient number, since it is larger than the sum of its proper divisors (71477992).

83801636 is a wasteful number, since it uses less digits than its factorization.

83801636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232398 (or 1232396 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 83801636 is about 9154.3233501991. The cubic root of 83801636 is about 437.6069045965.

The spelling of 83801636 in words is "eighty-three million, eight hundred one thousand, six hundred thirty-six".