249486 has 16 divisors (see below), whose sum is σ = 511104. Its totient is φ = 81144.

The previous prime is 249463. The next prime is 249497. The reversal of 249486 is 684942.

It is a Curzon number.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 226 + ... + 741.

It is an arithmetic number, because the mean of its divisors is an integer number (31944).

2²⁴⁹⁴⁸⁶ is an apocalyptic number.

249486 is an abundant number, since it is smaller than the sum of its proper divisors (261618).

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

249486 is a wasteful number, since it uses less digits than its factorization.

249486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015.

The product of its digits is 13824, while the sum is 33.

The square root of 249486 is about 499.4857355321. The cubic root of 249486 is about 62.9528495782.

The spelling of 249486 in words is "two hundred forty-nine thousand, four hundred eighty-six".