243420414 has 32 divisors (see below), whose sum is σ = 499685760. Its totient is φ = 79022112.

The previous prime is 243420407. The next prime is 243420421. The reversal of 243420414 is 414024342.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (243420407) and next prime (243420421).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41449 + ... + 46955.

It is an arithmetic number, because the mean of its divisors is an integer number (15615180).

Almost surely, 2^243420414 is an apocalyptic number.

243420414 is an abundant number, since it is smaller than the sum of its proper divisors (256265346).

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

243420414 is a wasteful number, since it uses less digits than its factorization.

243420414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 243420414 is about 15601.9362259945. The cubic root of 243420414 is about 624.3848146205.

Adding to 243420414 its reverse (414024342), we get a palindrome (657444756).

The spelling of 243420414 in words is "two hundred forty-three million, four hundred twenty thousand, four hundred fourteen".