243400214 has 8 divisors (see below), whose sum is σ = 380974320. Its totient is φ = 116408776.

The previous prime is 243400181. The next prime is 243400247. The reversal of 243400214 is 412004342.

It is an interprime number because it is at equal distance from previous prime (243400181) and next prime (243400247).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2645609 + ... + 2645700.

It is an arithmetic number, because the mean of its divisors is an integer number (47621790).

Almost surely, 2^243400214 is an apocalyptic number.

243400214 is a deficient number, since it is larger than the sum of its proper divisors (137574106).

243400214 is a wasteful number, since it uses less digits than its factorization.

243400214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291334.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 243400214 is about 15601.2888570143. The cubic root of 243400214 is about 624.3675428259.

Adding to 243400214 its reverse (412004342), we get a palindrome (655404556).

The spelling of 243400214 in words is "two hundred forty-three million, four hundred thousand, two hundred fourteen".