218085896 has 16 divisors (see below), whose sum is σ = 467327040. Its totient is φ = 93465360.

The previous prime is 218085863. The next prime is 218085953. The reversal of 218085896 is 698580812.

218085896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×218085896² = 95122916068245632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 218085896.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1947140 + ... + 1947251.

It is an arithmetic number, because the mean of its divisors is an integer number (29207940).

Almost surely, 2^218085896 is an apocalyptic number.

It is an amenable number.

218085896 is an abundant number, since it is smaller than the sum of its proper divisors (249241144).

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

218085896 is a wasteful number, since it uses less digits than its factorization.

218085896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3894404 (or 3894400 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The square root of 218085896 is about 14767.7315793591. The cubic root of 218085896 is about 601.9252012451.

The spelling of 218085896 in words is "two hundred eighteen million, eighty-five thousand, eight hundred ninety-six".