240293 has 4 divisors (see below), whose sum is σ = 252960. Its totient is φ = 227628.

The previous prime is 240287. The next prime is 240319. The reversal of 240293 is 392042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6305 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (63240).

2²⁴⁰²⁹³ is an apocalyptic number.

It is an amenable number.

240293 is a deficient number, since it is larger than the sum of its proper divisors (12667).

240293 is a wasteful number, since it uses less digits than its factorization.

240293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 240293 is about 490.1968992150. The cubic root of 240293 is about 62.1699292548.

The spelling of 240293 in words is "two hundred forty thousand, two hundred ninety-three".