249458 has 32 divisors (see below), whose sum is σ = 466560. Its totient is φ = 98560.

The previous prime is 249449. The next prime is 249463. The reversal of 249458 is 854942.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249458.

It is an unprimeable number.

249458 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 15 ways as a sum of consecutive naturals, for example, 8588 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (14580).

2²⁴⁹⁴⁵⁸ is an apocalyptic number.

249458 is a deficient number, since it is larger than the sum of its proper divisors (217102).

249458 is a wasteful number, since it uses less digits than its factorization.

249458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82.

The product of its digits is 11520, while the sum is 32.

The square root of 249458 is about 499.4577059171. The cubic root of 249458 is about 62.9504944083.

It can be divided in two parts, 2494 and 58, that added together give a palindrome (2552).

The spelling of 249458 in words is "two hundred forty-nine thousand, four hundred fifty-eight".