249948256 has 24 divisors (see below), whose sum is σ = 502558560. Its totient is φ = 122314368.

The previous prime is 249948253. The next prime is 249948299. The reversal of 249948256 is 652849942.

249948256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249948253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81591 + ... + 84598.

It is an arithmetic number, because the mean of its divisors is an integer number (20939940).

Almost surely, 2^249948256 is an apocalyptic number.

It is an amenable number.

249948256 is an abundant number, since it is smaller than the sum of its proper divisors (252610304).

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

249948256 is a wasteful number, since it uses less digits than its factorization.

249948256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166246 (or 166238 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 249948256 is about 15809.7519272125. The cubic root of 249948256 is about 629.9170597120.

The spelling of 249948256 in words is "two hundred forty-nine million, nine hundred forty-eight thousand, two hundred fifty-six".