249599 has 8 divisors (see below), whose sum is σ = 288288. Its totient is φ = 211680.

The previous prime is 249593. The next prime is 249607. The reversal of 249599 is 995942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 249599 - 2⁴ = 249583 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249599.

It is not an unprimeable number, because it can be changed into a prime (249593) 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, 1169 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2²⁴⁹⁵⁹⁹ is an apocalyptic number.

249599 is a deficient number, since it is larger than the sum of its proper divisors (38689).

249599 is a wasteful number, since it uses less digits than its factorization.

249599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its digits is 29160, while the sum is 38.

The square root of 249599 is about 499.5988390699. The cubic root of 249599 is about 62.9623525807.

It can be divided in two parts, 249 and 599, that added together give a palindrome (848).

The spelling of 249599 in words is "two hundred forty-nine thousand, five hundred ninety-nine".