84706644 has 48 divisors (see below), whose sum is σ = 218373120. Its totient is φ = 25340640.

The previous prime is 84706591. The next prime is 84706669. The reversal of 84706644 is 44660748.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6367 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (4549440).

Almost surely, 2^84706644 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 84706644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109186560).

84706644 is an abundant number, since it is smaller than the sum of its proper divisors (133666476).

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

84706644 is a wasteful number, since it uses less digits than its factorization.

84706644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8218 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 84706644 is about 9203.6212438366. The cubic root of 84706644 is about 439.1765660139.

The spelling of 84706644 in words is "eighty-four million, seven hundred six thousand, six hundred forty-four".