84638982 has 16 divisors (see below), whose sum is σ = 169989120. Its totient is φ = 28094472.

The previous prime is 84638893. The next prime is 84639013. The reversal of 84638982 is 28983648.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 28078 + ... + 30945.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^84638982 is an apocalyptic number.

84638982 is an abundant number, since it is smaller than the sum of its proper divisors (85350138).

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

84638982 is a wasteful number, since it uses less digits than its factorization.

84638982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59267.

The product of its digits is 663552, while the sum is 48.

The square root of 84638982 is about 9199.9446737467. The cubic root of 84638982 is about 439.0595996659.

The spelling of 84638982 in words is "eighty-four million, six hundred thirty-eight thousand, nine hundred eighty-two".