243900942 has 8 divisors (see below), whose sum is σ = 487801896. Its totient is φ = 81300312.

The previous prime is 243900941. The next prime is 243901027. The reversal of 243900942 is 249009342.

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

243900942 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243900941) 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, 20325073 + ... + 20325084.

It is an arithmetic number, because the mean of its divisors is an integer number (60975237).

Almost surely, 2^243900942 is an apocalyptic number.

243900942 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.

243900942 is a wasteful number, since it uses less digits than its factorization.

243900942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40650162.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 243900942 is about 15617.3282606213. The cubic root of 243900942 is about 624.7954035384.

The spelling of 243900942 in words is "two hundred forty-three million, nine hundred thousand, nine hundred forty-two".