213000885 has 12 divisors (see below), whose sum is σ = 369201612. Its totient is φ = 113600448.

The previous prime is 213000877. The next prime is 213000889. The reversal of 213000885 is 588000312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 100280196 + 112720689 = 10014^2 + 10617^2 .

It is not a de Polignac number, because 213000885 - 2³ = 213000877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000889) 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 11 ways as a sum of consecutive naturals, for example, 2366632 + ... + 2366721.

It is an arithmetic number, because the mean of its divisors is an integer number (30766801).

Almost surely, 2^213000885 is an apocalyptic number.

It is an amenable number.

213000885 is a deficient number, since it is larger than the sum of its proper divisors (156200727).

213000885 is a wasteful number, since it uses less digits than its factorization.

213000885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733364 (or 4733361 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 213000885 is about 14594.5498388953. The cubic root of 213000885 is about 597.2100891023.

The spelling of 213000885 in words is "two hundred thirteen million, eight hundred eighty-five", and thus it is an aban number.