249086 has 4 divisors (see below), whose sum is σ = 373632. Its totient is φ = 124542.

The previous prime is 249079. The next prime is 249089. The reversal of 249086 is 680942.

249086 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62270 + ... + 62273.

It is an arithmetic number, because the mean of its divisors is an integer number (93408).

2²⁴⁹⁰⁸⁶ is an apocalyptic number.

249086 is a deficient number, since it is larger than the sum of its proper divisors (124546).

249086 is a wasteful number, since it uses less digits than its factorization.

249086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124545.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 249086 is about 499.0851630734. The cubic root of 249086 is about 62.9191875565.

The spelling of 249086 in words is "two hundred forty-nine thousand, eighty-six".