243846346 has 4 divisors (see below), whose sum is σ = 365769522. Its totient is φ = 121923172.

The previous prime is 243846331. The next prime is 243846347. The reversal of 243846346 is 643648342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 230705721 + 13140625 = 15189^2 + 3625^2 .

It is a super-2 number, since 2×243846346² = 118922080915103432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243846299 and 243846308.

It is not an unprimeable number, because it can be changed into a prime (243846347) 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 as a sum of consecutive naturals, namely, 60961585 + ... + 60961588.

Almost surely, 2^243846346 is an apocalyptic number.

243846346 is a deficient number, since it is larger than the sum of its proper divisors (121923176).

243846346 is a wasteful number, since it uses less digits than its factorization.

243846346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121923175.

The product of its digits is 331776, while the sum is 40.

The square root of 243846346 is about 15615.5802325754. The cubic root of 243846346 is about 624.7487809559.

It can be divided in two parts, 2438 and 46346, that added together give a palindrome (48784).

The spelling of 243846346 in words is "two hundred forty-three million, eight hundred forty-six thousand, three hundred forty-six".