243714438 has 24 divisors (see below), whose sum is σ = 576052776. Its totient is φ = 73852800.

The previous prime is 243714433. The next prime is 243714451. The reversal of 243714438 is 834417342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243714433) 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 11 ways as a sum of consecutive naturals, for example, 615243 + ... + 615638.

It is an arithmetic number, because the mean of its divisors is an integer number (24002199).

Almost surely, 2^243714438 is an apocalyptic number.

243714438 is an abundant number, since it is smaller than the sum of its proper divisors (332338338).

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

243714438 is a wasteful number, since it uses less digits than its factorization.

243714438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230900 (or 1230897 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 243714438 is about 15611.3560589719. The cubic root of 243714438 is about 624.6361086007.

The spelling of 243714438 in words is "two hundred forty-three million, seven hundred fourteen thousand, four hundred thirty-eight".