83933808 has 80 divisors (see below), whose sum is σ = 258602496. Its totient is φ = 22936320.

The previous prime is 83933791. The next prime is 83933827. The reversal of 83933808 is 80833938.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 83933808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 13158.

Almost surely, 2^83933808 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 83933808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129301248).

83933808 is an abundant number, since it is smaller than the sum of its proper divisors (174668688).

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

83933808 is a wasteful number, since it uses less digits than its factorization.

83933808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10902 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 83933808 is about 9161.5396086029. The cubic root of 83933808 is about 437.8368483902.

The spelling of 83933808 in words is "eighty-three million, nine hundred thirty-three thousand, eight hundred eight".