249028 has 12 divisors (see below), whose sum is σ = 469420. Its totient is φ = 114912.

The previous prime is 249017. The next prime is 249037. The reversal of 249028 is 820942.

249028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26244 + 222784 = 162^2 + 472^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248993 and 249011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2343 + ... + 2446.

2²⁴⁹⁰²⁸ is an apocalyptic number.

It is an amenable number.

249028 is a deficient number, since it is larger than the sum of its proper divisors (220392).

249028 is a wasteful number, since it uses less digits than its factorization.

249028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4806 (or 4804 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 249028 is about 499.0270533749. The cubic root of 249028 is about 62.9143035724.

The spelling of 249028 in words is "two hundred forty-nine thousand, twenty-eight".