243463842 has 24 divisors (see below), whose sum is σ = 528381360. Its totient is φ = 81019800.

The previous prime is 243463837. The next prime is 243463849. The reversal of 243463842 is 248364342.

243463842 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243463842² = 118549284722801928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243463797 and 243463806.

It is not an unprimeable number, because it can be changed into a prime (243463849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217 + ... + 22067.

It is an arithmetic number, because the mean of its divisors is an integer number (22015890).

Almost surely, 2^243463842 is an apocalyptic number.

243463842 is an abundant number, since it is smaller than the sum of its proper divisors (284917518).

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

243463842 is a wasteful number, since it uses less digits than its factorization.

243463842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22478 (or 22475 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 243463842 is about 15603.3279142624. The cubic root of 243463842 is about 624.4219440336.

The spelling of 243463842 in words is "two hundred forty-three million, four hundred sixty-three thousand, eight hundred forty-two".