83442012 has 24 divisors (see below), whose sum is σ = 197164800. Its totient is φ = 27461616.

The previous prime is 83441971. The next prime is 83442041. The reversal of 83442012 is 21024438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43062 + ... + 44957.

It is an arithmetic number, because the mean of its divisors is an integer number (8215200).

Almost surely, 2^83442012 is an apocalyptic number.

It is an amenable number.

83442012 is an abundant number, since it is smaller than the sum of its proper divisors (113722788).

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

83442012 is a wasteful number, since it uses less digits than its factorization.

83442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88105 (or 88103 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 83442012 is about 9134.6599279886. The cubic root of 83442012 is about 436.9800290049.

The spelling of 83442012 in words is "eighty-three million, four hundred forty-two thousand, twelve".