84442944 has 112 divisors (see below), whose sum is σ = 242718336. Its totient is φ = 25804800.

The previous prime is 84442937. The next prime is 84442951. The reversal of 84442944 is 44924448.

It is an interprime number because it is at equal distance from previous prime (84442937) and next prime (84442951).

It is a super-2 number, since 2×84442944² = 14261221582774272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133509 + ... + 134139.

It is an arithmetic number, because the mean of its divisors is an integer number (2167128).

Almost surely, 2^84442944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84442944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121359168).

84442944 is an abundant number, since it is smaller than the sum of its proper divisors (158275392).

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

84442944 is a wasteful number, since it uses less digits than its factorization.

84442944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 694 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 84442944 is about 9189.2841941035. The cubic root of 84442944 is about 438.7203591960.

The spelling of 84442944 in words is "eighty-four million, four hundred forty-two thousand, nine hundred forty-four".