249393 has 8 divisors (see below), whose sum is σ = 338400. Its totient is φ = 163328.

The previous prime is 249383. The next prime is 249397. The reversal of 249393 is 393942.

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 249393 - 2⁴ = 249377 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 249393.

It is not an unprimeable number, because it can be changed into a prime (249397) 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, 528 + ... + 881.

It is an arithmetic number, because the mean of its divisors is an integer number (42300).

2²⁴⁹³⁹³ is an apocalyptic number.

It is an amenable number.

249393 is a deficient number, since it is larger than the sum of its proper divisors (89007).

249393 is a wasteful number, since it uses less digits than its factorization.

249393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its digits is 5832, while the sum is 30.

The square root of 249393 is about 499.3926311030. The cubic root of 249393 is about 62.9450263701.

It can be divided in two parts, 24939 and 3, that added together give a palindrome (24942).

The spelling of 249393 in words is "two hundred forty-nine thousand, three hundred ninety-three".