249652 has 12 divisors (see below), whose sum is σ = 470596. Its totient is φ = 115200.

The previous prime is 249647. The next prime is 249659. The reversal of 249652 is 256942.

It can be written as a sum of positive squares in 2 ways, for example, as 86436 + 163216 = 294^2 + 404^2 .

It is a super-2 number, since 2×249652² = 124652242208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 249652.

It is a congruent number.

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

249652 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, 2349 + ... + 2452.

2²⁴⁹⁶⁵² is an apocalyptic number.

It is an amenable number.

249652 is a deficient number, since it is larger than the sum of its proper divisors (220944).

249652 is a wasteful number, since it uses less digits than its factorization.

249652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4816 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 249652 is about 499.6518788116. The cubic root of 249652 is about 62.9668087531.

The spelling of 249652 in words is "two hundred forty-nine thousand, six hundred fifty-two".