83353830 has 64 divisors (see below), whose sum is σ = 236528640. Its totient is φ = 18393984.

The previous prime is 83353813. The next prime is 83353841. The reversal of 83353830 is 3835338.

It is a junction number, because it is equal to n+sod(n) for n = 83353791 and 83353800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (3695760).

Almost surely, 2^83353830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83353830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118264320).

83353830 is an abundant number, since it is smaller than the sum of its proper divisors (153174810).

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

83353830 is a wasteful number, since it uses less digits than its factorization.

83353830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 83353830 is about 9129.8318713983. The cubic root of 83353830 is about 436.8260404077.

The spelling of 83353830 in words is "eighty-three million, three hundred fifty-three thousand, eight hundred thirty".