243869426 has 8 divisors (see below), whose sum is σ = 374311344. Its totient is φ = 119098980.

The previous prime is 243869413. The next prime is 243869429. The reversal of 243869426 is 624968342.

243869426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (243869429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417760 + ... + 1417931.

It is an arithmetic number, because the mean of its divisors is an integer number (46788918).

Almost surely, 2^243869426 is an apocalyptic number.

243869426 is a deficient number, since it is larger than the sum of its proper divisors (130441918).

243869426 is a wasteful number, since it uses less digits than its factorization.

243869426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835736.

The product of its digits is 497664, while the sum is 44.

The square root of 243869426 is about 15616.3192206102. The cubic root of 243869426 is about 624.7684911097.

The spelling of 243869426 in words is "two hundred forty-three million, eight hundred sixty-nine thousand, four hundred twenty-six".