249899 has 8 divisors (see below), whose sum is σ = 275520. Its totient is φ = 225216.

The previous prime is 249881. The next prime is 249911. The reversal of 249899 is 998942.

249899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249899 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁸ + 8⁵ + 9³ + 9⁵ + 9⁵ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249899.

It is not an unprimeable number, because it can be changed into a prime (249859) 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, 407 + ... + 815.

It is an arithmetic number, because the mean of its divisors is an integer number (34440).

2²⁴⁹⁸⁹⁹ is an apocalyptic number.

249899 is a deficient number, since it is larger than the sum of its proper divisors (25621).

249899 is a wasteful number, since it uses less digits than its factorization.

249899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 46656, while the sum is 41.

The square root of 249899 is about 499.8989897969. The cubic root of 249899 is about 62.9875678836.

The spelling of 249899 in words is "two hundred forty-nine thousand, eight hundred ninety-nine".