243787341 has 8 divisors (see below), whose sum is σ = 371485504. Its totient is φ = 139307040.

The previous prime is 243787337. The next prime is 243787343. The reversal of 243787341 is 143787342.

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

It is not a de Polignac number, because 243787341 - 2² = 243787337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243787341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243787343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5804440 + ... + 5804481.

It is an arithmetic number, because the mean of its divisors is an integer number (46435688).

Almost surely, 2^243787341 is an apocalyptic number.

243787341 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243787341 is a deficient number, since it is larger than the sum of its proper divisors (127698163).

243787341 is a wasteful number, since it uses less digits than its factorization.

243787341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11608931.

The product of its digits is 112896, while the sum is 39.

The square root of 243787341 is about 15613.6908192778. The cubic root of 243787341 is about 624.6983854559.

Subtracting from 243787341 its reverse (143787342), we obtain a palindrome (99999999).

The spelling of 243787341 in words is "two hundred forty-three million, seven hundred eighty-seven thousand, three hundred forty-one".