214243393 has 16 divisors (see below), whose sum is σ = 267304576. Its totient is φ = 167184000.

The previous prime is 214243361. The next prime is 214243429. The reversal of 214243393 is 393342412.

It is a cyclic number.

It is not a de Polignac number, because 214243393 - 2⁵ = 214243361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (214243303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9483 + ... + 22768.

It is an arithmetic number, because the mean of its divisors is an integer number (16706536).

Almost surely, 2^214243393 is an apocalyptic number.

It is an amenable number.

214243393 is a deficient number, since it is larger than the sum of its proper divisors (53061183).

214243393 is a wasteful number, since it uses less digits than its factorization.

214243393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32344.

The product of its digits is 15552, while the sum is 31.

The square root of 214243393 is about 14637.0554757437. The cubic root of 214243393 is about 598.3690829028.

The spelling of 214243393 in words is "two hundred fourteen million, two hundred forty-three thousand, three hundred ninety-three".