83320842 has 96 divisors (see below), whose sum is σ = 199717056. Its totient is φ = 23063040.

The previous prime is 83320817. The next prime is 83320849. The reversal of 83320842 is 24802338.

It is not an unprimeable number, because it can be changed into a prime (83320849) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530628 + ... + 530784.

It is an arithmetic number, because the mean of its divisors is an integer number (2080386).

Almost surely, 2^83320842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83320842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99858528).

83320842 is an abundant number, since it is smaller than the sum of its proper divisors (116396214).

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

83320842 is a wasteful number, since it uses less digits than its factorization.

83320842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 83320842 is about 9128.0250876079. The cubic root of 83320842 is about 436.7684069080.

The spelling of 83320842 in words is "eighty-three million, three hundred twenty thousand, eight hundred forty-two".