249473 has 8 divisors (see below), whose sum is σ = 288192. Its totient is φ = 211536.

The previous prime is 249463. The next prime is 249497. The reversal of 249473 is 374942.

249473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 249473 - 2⁸ = 249217 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 4 + 4² + 9³ + 7⁶ + 3 .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (249433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (36024).

2²⁴⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

249473 is a deficient number, since it is larger than the sum of its proper divisors (38719).

249473 is a wasteful number, since it uses less digits than its factorization.

249473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391.

The product of its digits is 6048, while the sum is 29.

The square root of 249473 is about 499.4727219779. The cubic root of 249473 is about 62.9517561283.

The spelling of 249473 in words is "two hundred forty-nine thousand, four hundred seventy-three".