84394656 has 192 divisors, whose sum is σ = 266716800. Its totient is φ = 25878528.

The previous prime is 84394633. The next prime is 84394693. The reversal of 84394656 is 65649348.

It is a super-2 number, since 2×84394656² = 14244915922716672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870000 + ... + 870096.

It is an arithmetic number, because the mean of its divisors is an integer number (1389150).

Almost surely, 2^84394656 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 84394656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133358400).

84394656 is an abundant number, since it is smaller than the sum of its proper divisors (182322144).

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

84394656 is a wasteful number, since it uses less digits than its factorization.

84394656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 174 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 84394656 is about 9186.6564102507. The cubic root of 84394656 is about 438.6367170461.

The spelling of 84394656 in words is "eighty-four million, three hundred ninety-four thousand, six hundred fifty-six".