84166236 has 192 divisors, whose sum is σ = 282240000. Its totient is φ = 21047040.

The previous prime is 84166217. The next prime is 84166259. The reversal of 84166236 is 63266148.

84166236 is a `hidden beast` number, since 8 + 416 + 6 + 236 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84166236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240990 + ... + 241338.

It is an arithmetic number, because the mean of its divisors is an integer number (1470000).

Almost surely, 2^84166236 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 84166236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141120000).

84166236 is an abundant number, since it is smaller than the sum of its proper divisors (198073764).

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

84166236 is a wasteful number, since it uses less digits than its factorization.

84166236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 401 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 84166236 is about 9174.2158247994. The cubic root of 84166236 is about 438.2406258981.

The spelling of 84166236 in words is "eighty-four million, one hundred sixty-six thousand, two hundred thirty-six".