83233428 has 48 divisors (see below), whose sum is σ = 210034944. Its totient is φ = 25553920.

The previous prime is 83233417. The next prime is 83233453. The reversal of 83233428 is 82433238.

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, 5248 + ... + 13928.

It is an arithmetic number, because the mean of its divisors is an integer number (4375728).

Almost surely, 2^83233428 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 83233428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105017472).

83233428 is an abundant number, since it is smaller than the sum of its proper divisors (126801516).

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

83233428 is a wasteful number, since it uses less digits than its factorization.

83233428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752 (or 8750 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 83233428 is about 9123.2356102427. The cubic root of 83233428 is about 436.6156118724.

The spelling of 83233428 in words is "eighty-three million, two hundred thirty-three thousand, four hundred twenty-eight".