83331636 has 12 divisors (see below), whose sum is σ = 194440512. Its totient is φ = 27777208.

The previous prime is 83331613. The next prime is 83331653. The reversal of 83331636 is 63613338.

83331636 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

83331636 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 83331597 and 83331606.

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, 3472140 + ... + 3472163.

It is an arithmetic number, because the mean of its divisors is an integer number (16203376).

Almost surely, 2^83331636 is an apocalyptic number.

It is an amenable number.

83331636 is an abundant number, since it is smaller than the sum of its proper divisors (111108876).

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

83331636 is a wasteful number, since it uses less digits than its factorization.

83331636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6944310 (or 6944308 counting only the distinct ones).

The product of its digits is 23328, while the sum is 33.

The square root of 83331636 is about 9128.6163245039. The cubic root of 83331636 is about 436.7872668335.

The spelling of 83331636 in words is "eighty-three million, three hundred thirty-one thousand, six hundred thirty-six".