213086858 has 32 divisors (see below), whose sum is σ = 340623360. Its totient is φ = 99768240.

The previous prime is 213086851. The next prime is 213086873. The reversal of 213086858 is 858680312.

213086858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (213086851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693941 + ... + 694247.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^213086858 is an apocalyptic number.

213086858 is a deficient number, since it is larger than the sum of its proper divisors (127536502).

213086858 is a wasteful number, since it uses less digits than its factorization.

213086858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 213086858 is about 14597.4949220748. The cubic root of 213086858 is about 597.2904284189.

It can be divided in two parts, 2130 and 86858, that added together give a palindrome (88988).

The spelling of 213086858 in words is "two hundred thirteen million, eighty-six thousand, eight hundred fifty-eight".