213938272 has 24 divisors (see below), whose sum is σ = 439505136. Its totient is φ = 102317952.

The previous prime is 213938269. The next prime is 213938273. The reversal of 213938272 is 272839312.

213938272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213938273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144603 + ... + 146074.

It is an arithmetic number, because the mean of its divisors is an integer number (18312714).

Almost surely, 2^213938272 is an apocalyptic number.

It is an amenable number.

213938272 is an abundant number, since it is smaller than the sum of its proper divisors (225566864).

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

213938272 is a wasteful number, since it uses less digits than its factorization.

213938272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290710 (or 290702 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 213938272 is about 14626.6288665571. The cubic root of 213938272 is about 598.0848863290.

The spelling of 213938272 in words is "two hundred thirteen million, nine hundred thirty-eight thousand, two hundred seventy-two".