42086982 has 96 divisors (see below), whose sum is σ = 103864032. Its totient is φ = 11321856.

The previous prime is 42086969. The next prime is 42087029. The reversal of 42086982 is 28968024.

It is a self number, because there is not a number n which added to its sum of digits gives 42086982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576498 + ... + 576570.

It is an arithmetic number, because the mean of its divisors is an integer number (1081917).

Almost surely, 2^42086982 is an apocalyptic number.

42086982 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42086982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51932016).

42086982 is an abundant number, since it is smaller than the sum of its proper divisors (61777050).

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

42086982 is a wasteful number, since it uses less digits than its factorization.

42086982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 42086982 is about 6487.4480344740. The cubic root of 42086982 is about 347.8424607315.

The spelling of 42086982 in words is "forty-two million, eighty-six thousand, nine hundred eighty-two".