84622648 has 32 divisors (see below), whose sum is σ = 174823920. Its totient is φ = 38080000.

The previous prime is 84622631. The next prime is 84622661.

84622648 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 84622648.

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, 4128 + ... + 13648.

Almost surely, 2^84622648 is an apocalyptic number.

84622648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84622648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87411960).

84622648 is an abundant number, since it is smaller than the sum of its proper divisors (90201272).

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

84622648 is a wasteful number, since it uses less digits than its factorization.

84622648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9639 (or 9635 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 84622648 is about 9199.0569081836. The cubic root of 84622648 is about 439.0313539698.

The spelling of 84622648 in words is "eighty-four million, six hundred twenty-two thousand, six hundred forty-eight".