243200214 has 24 divisors (see below), whose sum is σ = 527723352. Its totient is φ = 80945280.

The previous prime is 243200207. The next prime is 243200219. The reversal of 243200214 is 412002342.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243200219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662 + ... + 22214.

It is an arithmetic number, because the mean of its divisors is an integer number (21988473).

Almost surely, 2^243200214 is an apocalyptic number.

243200214 is an abundant number, since it is smaller than the sum of its proper divisors (284523138).

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

243200214 is a wasteful number, since it uses less digits than its factorization.

243200214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20252 (or 20249 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 243200214 is about 15594.8778129231. The cubic root of 243200214 is about 624.1964833670.

Adding to 243200214 its reverse (412002342), we get a palindrome (655202556).

The spelling of 243200214 in words is "two hundred forty-three million, two hundred thousand, two hundred fourteen".