84284244 has 72 divisors (see below), whose sum is σ = 234474240. Its totient is φ = 25526160.

The previous prime is 84284243. The next prime is 84284251. The reversal of 84284244 is 44248248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 84284199 and 84284208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84284243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47037 + ... + 48795.

Almost surely, 2^84284244 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 84284244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117237120).

84284244 is an abundant number, since it is smaller than the sum of its proper divisors (150189996).

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

84284244 is a wasteful number, since it uses less digits than its factorization.

84284244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1775 counting only the distinct ones).

The product of its digits is 65536, while the sum is 36.

The square root of 84284244 is about 9180.6450753746. The cubic root of 84284244 is about 438.4453467421.

The spelling of 84284244 in words is "eighty-four million, two hundred eighty-four thousand, two hundred forty-four".