84859236 has 180 divisors, whose sum is σ = 281386560. Its totient is φ = 21083040.

The previous prime is 84859231. The next prime is 84859273. The reversal of 84859236 is 63295848.

It is a junction number, because it is equal to n+sod(n) for n = 84859191 and 84859200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84859231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3689521 + ... + 3689543.

Almost surely, 2^84859236 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 84859236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140693280).

84859236 is an abundant number, since it is smaller than the sum of its proper divisors (196527324).

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

84859236 is a wasteful number, since it uses less digits than its factorization.

84859236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 46 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 84859236 is about 9211.9072943664. The cubic root of 84859236 is about 439.4401212168.

The spelling of 84859236 in words is "eighty-four million, eight hundred fifty-nine thousand, two hundred thirty-six".