249590 has 16 divisors (see below), whose sum is σ = 490320. Its totient is φ = 90720.

The previous prime is 249589. The next prime is 249593. The reversal of 249590 is 95942.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1025 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (30645).

2²⁴⁹⁵⁹⁰ is an apocalyptic number.

249590 is a deficient number, since it is larger than the sum of its proper divisors (240730).

249590 is a wasteful number, since it uses less digits than its factorization.

249590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 249590 is about 499.5898317620. The cubic root of 249590 is about 62.9615958095.

The spelling of 249590 in words is "two hundred forty-nine thousand, five hundred ninety".