243340414 has 16 divisors (see below), whose sum is σ = 403286688. Its totient is φ = 109533952.

The previous prime is 243340399. The next prime is 243340417. The reversal of 243340414 is 414043342.

It is a super-3 number, since 3×243340414³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243340417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154807 + ... + 156370.

It is an arithmetic number, because the mean of its divisors is an integer number (25205418).

Almost surely, 2^243340414 is an apocalyptic number.

243340414 is a deficient number, since it is larger than the sum of its proper divisors (159946274).

243340414 is a wasteful number, since it uses less digits than its factorization.

243340414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311219.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 243340414 is about 15599.3722309585. The cubic root of 243340414 is about 624.3164058711.

Adding to 243340414 its reverse (414043342), we get a palindrome (657383756).

The spelling of 243340414 in words is "two hundred forty-three million, three hundred forty thousand, four hundred fourteen".