82986442 has 32 divisors (see below), whose sum is σ = 160210944. Its totient is φ = 31287600.

The previous prime is 82986439. The next prime is 82986457. The reversal of 82986442 is 24468928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3918 + ... + 13465.

It is an arithmetic number, because the mean of its divisors is an integer number (5006592).

Almost surely, 2^82986442 is an apocalyptic number.

82986442 is a deficient number, since it is larger than the sum of its proper divisors (77224502).

82986442 is a wasteful number, since it uses less digits than its factorization.

82986442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17434.

The product of its digits is 221184, while the sum is 43.

The square root of 82986442 is about 9109.6894568366. The cubic root of 82986442 is about 436.1833144649.

The spelling of 82986442 in words is "eighty-two million, nine hundred eighty-six thousand, four hundred forty-two".