249304 has 16 divisors (see below), whose sum is σ = 510120. Its totient is φ = 113280.

The previous prime is 249287. The next prime is 249311. The reversal of 249304 is 403942.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

249304 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329 + ... + 1504.

2²⁴⁹³⁰⁴ is an apocalyptic number.

It is an amenable number.

249304 is an abundant number, since it is smaller than the sum of its proper divisors (260816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249304 is a wasteful number, since it uses less digits than its factorization.

249304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2846 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 249304 is about 499.3035149085. The cubic root of 249304 is about 62.9375378228.

The spelling of 249304 in words is "two hundred forty-nine thousand, three hundred four".