243048393 has 12 divisors (see below), whose sum is σ = 401222848. Its totient is φ = 138884760.

The previous prime is 243048373. The next prime is 243048397. The reversal of 243048393 is 393840342.

It is a happy number.

It is not a de Polignac number, because 243048393 - 2¹⁰ = 243047369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243048397) 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, 1928893 + ... + 1929018.

Almost surely, 2^243048393 is an apocalyptic number.

It is an amenable number.

243048393 is a deficient number, since it is larger than the sum of its proper divisors (158174455).

243048393 is a wasteful number, since it uses less digits than its factorization.

243048393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857924 (or 3857921 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 243048393 is about 15590.0093970466. The cubic root of 243048393 is about 624.0665686501.

The spelling of 243048393 in words is "two hundred forty-three million, forty-eight thousand, three hundred ninety-three".