249650 has 12 divisors (see below), whose sum is σ = 464442. Its totient is φ = 99840.

The previous prime is 249647. The next prime is 249659. The reversal of 249650 is 56942.

It can be written as a sum of positive squares in 3 ways, for example, as 167281 + 82369 = 409^2 + 287^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249659) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2447 + ... + 2546.

2²⁴⁹⁶⁵⁰ is an apocalyptic number.

249650 is a deficient number, since it is larger than the sum of its proper divisors (214792).

249650 is a wasteful number, since it uses less digits than its factorization.

249650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5005 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 249650 is about 499.6498774142. The cubic root of 249650 is about 62.9666406071.

The spelling of 249650 in words is "two hundred forty-nine thousand, six hundred fifty".