83842620 has 48 divisors (see below), whose sum is σ = 236573568. Its totient is φ = 22185280.

The previous prime is 83842607. The next prime is 83842667. The reversal of 83842620 is 2624838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527 + ... + 13193.

It is an arithmetic number, because the mean of its divisors is an integer number (4928616).

Almost surely, 2^83842620 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 83842620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118286784).

83842620 is an abundant number, since it is smaller than the sum of its proper divisors (152730948).

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

83842620 is a wasteful number, since it uses less digits than its factorization.

83842620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10810 (or 10808 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 83842620 is about 9156.5615817292. The cubic root of 83842620 is about 437.6782315987.

The spelling of 83842620 in words is "eighty-three million, eight hundred forty-two thousand, six hundred twenty".