213887230 has 8 divisors (see below), whose sum is σ = 384997032. Its totient is φ = 85554888.

The previous prime is 213887227. The next prime is 213887239. The reversal of 213887230 is 32788312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213887239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10694352 + ... + 10694371.

It is an arithmetic number, because the mean of its divisors is an integer number (48124629).

Almost surely, 2^213887230 is an apocalyptic number.

213887230 is a deficient number, since it is larger than the sum of its proper divisors (171109802).

213887230 is a wasteful number, since it uses less digits than its factorization.

213887230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388730.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 213887230 is about 14624.8839311634. The cubic root of 213887230 is about 598.0373182827.

The spelling of 213887230 in words is "two hundred thirteen million, eight hundred eighty-seven thousand, two hundred thirty".