243336378 has 8 divisors (see below), whose sum is σ = 486672768. Its totient is φ = 81112124.

The previous prime is 243336377. The next prime is 243336403. The reversal of 243336378 is 873633342.

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

243336378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (243336377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20278026 + ... + 20278037.

It is an arithmetic number, because the mean of its divisors is an integer number (60834096).

Almost surely, 2^243336378 is an apocalyptic number.

243336378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

243336378 is a wasteful number, since it uses less digits than its factorization.

243336378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40556068.

The product of its digits is 217728, while the sum is 39.

The square root of 243336378 is about 15599.2428662419. The cubic root of 243336378 is about 624.3129542524.

The spelling of 243336378 in words is "two hundred forty-three million, three hundred thirty-six thousand, three hundred seventy-eight".