84744408 has 128 divisors (see below), whose sum is σ = 258048000. Its totient is φ = 22654080.

The previous prime is 84744343. The next prime is 84744419. The reversal of 84744408 is 80444748.

It is a super-2 number, since 2×84744408² = 14363229374540928, 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 31 ways as a sum of consecutive naturals, for example, 443593 + ... + 443783.

It is an arithmetic number, because the mean of its divisors is an integer number (2016000).

Almost surely, 2^84744408 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 84744408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129024000).

84744408 is an abundant number, since it is smaller than the sum of its proper divisors (173303592).

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

84744408 is a wasteful number, since it uses less digits than its factorization.

84744408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 84744408 is about 9205.6725990011. The cubic root of 84744408 is about 439.2418210282.

The spelling of 84744408 in words is "eighty-four million, seven hundred forty-four thousand, four hundred eight".