243476049 has 8 divisors (see below), whose sum is σ = 324717120. Its totient is φ = 162276176.

The previous prime is 243476041. The next prime is 243476059. The reversal of 243476049 is 940674342.

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

It is a cyclic number.

It is not a de Polignac number, because 243476049 - 2³ = 243476041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243475998 and 243476016.

It is not an unprimeable number, because it can be changed into a prime (243476041) 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, 8284 + ... + 23570.

It is an arithmetic number, because the mean of its divisors is an integer number (40589640).

Almost surely, 2^243476049 is an apocalyptic number.

It is an amenable number.

243476049 is a deficient number, since it is larger than the sum of its proper divisors (81241071).

243476049 is a wasteful number, since it uses less digits than its factorization.

243476049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20599.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 243476049 is about 15603.7190759126. The cubic root of 243476049 is about 624.4323797944.

The spelling of 243476049 in words is "two hundred forty-three million, four hundred seventy-six thousand, forty-nine".