84631422 has 16 divisors (see below), whose sum is σ = 169544592. Its totient is φ = 28163520.

The previous prime is 84631381. The next prime is 84631487. The reversal of 84631422 is 22413648.

It is a self number, because there is not a number n which added to its sum of digits gives 84631422.

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 7 ways as a sum of consecutive naturals, for example, 7729 + ... + 15132.

It is an arithmetic number, because the mean of its divisors is an integer number (10596537).

Almost surely, 2^84631422 is an apocalyptic number.

84631422 is an abundant number, since it is smaller than the sum of its proper divisors (84913170).

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

84631422 is a wasteful number, since it uses less digits than its factorization.

84631422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23483.

The product of its digits is 9216, while the sum is 30.

The square root of 84631422 is about 9199.5337925354. The cubic root of 84631422 is about 439.0465269291.

The spelling of 84631422 in words is "eighty-four million, six hundred thirty-one thousand, four hundred twenty-two".