243246293 has 8 divisors (see below), whose sum is σ = 249705600. Its totient is φ = 236871648.

The previous prime is 243246281. The next prime is 243246301. The reversal of 243246293 is 392642342.

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 243246293 - 2⁴ = 243246277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243246233) 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, 15323 + ... + 26856.

It is an arithmetic number, because the mean of its divisors is an integer number (31213200).

Almost surely, 2^243246293 is an apocalyptic number.

It is an amenable number.

243246293 is a deficient number, since it is larger than the sum of its proper divisors (6459307).

243246293 is an equidigital number, since it uses as much as digits as its factorization.

243246293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42331.

The product of its digits is 62208, while the sum is 35.

The square root of 243246293 is about 15596.3551190655. The cubic root of 243246293 is about 624.2359029231.

The spelling of 243246293 in words is "two hundred forty-three million, two hundred forty-six thousand, two hundred ninety-three".