249460 has 12 divisors (see below), whose sum is σ = 523908. Its totient is φ = 99776.

The previous prime is 249449. The next prime is 249463. The reversal of 249460 is 64942.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 116964 = 364^2 + 342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249463) by changing a digit.

249460 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, 6217 + ... + 6256.

It is an arithmetic number, because the mean of its divisors is an integer number (43659).

2²⁴⁹⁴⁶⁰ is an apocalyptic number.

249460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

249460 is an abundant number, since it is smaller than the sum of its proper divisors (274448).

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

249460 is a wasteful number, since it uses less digits than its factorization.

249460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482 (or 12480 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 249460 is about 499.4597080846. The cubic root of 249460 is about 62.9506626405.

The spelling of 249460 in words is "two hundred forty-nine thousand, four hundred sixty".