240799 has 4 divisors (see below), whose sum is σ = 259336. Its totient is φ = 222264.

The previous prime is 240797. The next prime is 240811. The reversal of 240799 is 997042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997042 = 2 ⋅498521.

It is a cyclic number.

It is not a de Polignac number, because 240799 - 2¹ = 240797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240797) 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, 9249 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (64834).

2²⁴⁰⁷⁹⁹ is an apocalyptic number.

240799 is a deficient number, since it is larger than the sum of its proper divisors (18537).

240799 is a wasteful number, since it uses less digits than its factorization.

240799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18536.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 240799 is about 490.7127469304. The cubic root of 240799 is about 62.2135370294.

The spelling of 240799 in words is "two hundred forty thousand, seven hundred ninety-nine".