84814656 has 56 divisors (see below), whose sum is σ = 230489760. Its totient is φ = 27505152.

The previous prime is 84814621. The next prime is 84814661. The reversal of 84814656 is 65641848.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135 + ... + 13073.

Almost surely, 2^84814656 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 84814656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115244880).

84814656 is an abundant number, since it is smaller than the sum of its proper divisors (145675104).

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

84814656 is a wasteful number, since it uses less digits than its factorization.

84814656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991 (or 11981 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 84814656 is about 9209.4872821455. The cubic root of 84814656 is about 439.3631558286.

The spelling of 84814656 in words is "eighty-four million, eight hundred fourteen thousand, six hundred fifty-six".