249271484 has 24 divisors (see below), whose sum is σ = 543865728. Its totient is φ = 97118640.

The previous prime is 249271481. The next prime is 249271537. The reversal of 249271484 is 484172942.

249271484 is digitally balanced in base 3, 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 (249271481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404354 + ... + 404969.

It is an arithmetic number, because the mean of its divisors is an integer number (22661072).

Almost surely, 2^249271484 is an apocalyptic number.

It is an amenable number.

249271484 is an abundant number, since it is smaller than the sum of its proper divisors (294594244).

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

249271484 is a wasteful number, since it uses less digits than its factorization.

249271484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809345 (or 809343 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 249271484 is about 15788.3337942925. Note that the first 3 decimals coincide. The cubic root of 249271484 is about 629.3480145010.

The spelling of 249271484 in words is "two hundred forty-nine million, two hundred seventy-one thousand, four hundred eighty-four".