213485682 has 16 divisors (see below), whose sum is σ = 427466592. Its totient is φ = 71079360.

The previous prime is 213485641. The next prime is 213485693. The reversal of 213485682 is 286584312.

It is a super-2 number, since 2×213485682² = 91152272838010248, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 213485682.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14908 + ... + 25479.

It is an arithmetic number, because the mean of its divisors is an integer number (26716662).

Almost surely, 2^213485682 is an apocalyptic number.

213485682 is an abundant number, since it is smaller than the sum of its proper divisors (213980910).

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

213485682 is a wasteful number, since it uses less digits than its factorization.

213485682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41273.

The product of its digits is 92160, while the sum is 39.

The square root of 213485682 is about 14611.1492361142. The cubic root of 213485682 is about 597.6628357036.

The spelling of 213485682 in words is "two hundred thirteen million, four hundred eighty-five thousand, six hundred eighty-two".