213260286 has 32 divisors (see below), whose sum is σ = 434958336. Its totient is φ = 69692000.

The previous prime is 213260251. The next prime is 213260297. The reversal of 213260286 is 682062312.

213260286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80056 + ... + 82676.

It is an arithmetic number, because the mean of its divisors is an integer number (13592448).

Almost surely, 2^213260286 is an apocalyptic number.

213260286 is an abundant number, since it is smaller than the sum of its proper divisors (221698050).

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

213260286 is a wasteful number, since it uses less digits than its factorization.

213260286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 213260286 is about 14603.4340481957. The cubic root of 213260286 is about 597.4524262000.

The spelling of 213260286 in words is "two hundred thirteen million, two hundred sixty thousand, two hundred eighty-six".