83392728 has 32 divisors (see below), whose sum is σ = 215208960. Its totient is φ = 26900640.

The previous prime is 83392721. The next prime is 83392753. The reversal of 83392728 is 82729338.

It is a self number, because there is not a number n which added to its sum of digits gives 83392728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83392721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55300 + ... + 56787.

It is an arithmetic number, because the mean of its divisors is an integer number (6725280).

Almost surely, 2^83392728 is an apocalyptic number.

It is an amenable number.

83392728 is an abundant number, since it is smaller than the sum of its proper divisors (131816232).

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

83392728 is a wasteful number, since it uses less digits than its factorization.

83392728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112127 (or 112123 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 83392728 is about 9131.9618921675. The cubic root of 83392728 is about 436.8939797649.

The spelling of 83392728 in words is "eighty-three million, three hundred ninety-two thousand, seven hundred twenty-eight".