83663936 has 56 divisors (see below), whose sum is σ = 177430176. Its totient is φ = 39004160.

The previous prime is 83663929. The next prime is 83663959. The reversal of 83663936 is 63936638.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142235 + ... + 142821.

It is an arithmetic number, because the mean of its divisors is an integer number (3168396).

Almost surely, 2^83663936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83663936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88715088).

83663936 is an abundant number, since it is smaller than the sum of its proper divisors (93766240).

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

83663936 is a wasteful number, since it uses less digits than its factorization.

83663936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 737 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 83663936 is about 9146.7992215857. The cubic root of 83663936 is about 437.3670862640.

The spelling of 83663936 in words is "eighty-three million, six hundred sixty-three thousand, nine hundred thirty-six".