249843441 has 16 divisors (see below), whose sum is σ = 353070144. Its totient is φ = 156609024.

The previous prime is 249843421. The next prime is 249843443. The reversal of 249843441 is 144348942.

It is not a de Polignac number, because 249843441 - 2¹⁷ = 249712369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249843441.

It is not an unprimeable number, because it can be changed into a prime (249843443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71061 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (22066884).

Almost surely, 2^249843441 is an apocalyptic number.

It is an amenable number.

249843441 is a deficient number, since it is larger than the sum of its proper divisors (103226703).

249843441 is a wasteful number, since it uses less digits than its factorization.

249843441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880.

The product of its digits is 110592, while the sum is 39.

The square root of 249843441 is about 15806.4366952201. The cubic root of 249843441 is about 629.8289961678.

The spelling of 249843441 in words is "two hundred forty-nine million, eight hundred forty-three thousand, four hundred forty-one".