249234784 has 48 divisors (see below), whose sum is σ = 499035600. Its totient is φ = 122517504.

The previous prime is 249234781. The next prime is 249234803. The reversal of 249234784 is 487432942.

It is a self number, because there is not a number n which added to its sum of digits gives 249234784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249234781) 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 in 7 ways as a sum of consecutive naturals, for example, 609172 + ... + 609580.

It is an arithmetic number, because the mean of its divisors is an integer number (10396575).

Almost surely, 2^249234784 is an apocalyptic number.

It is an amenable number.

249234784 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

249234784 is a wasteful number, since it uses less digits than its factorization.

249234784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 687 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 249234784 is about 15787.1715009371. The cubic root of 249234784 is about 629.3171268848.

The spelling of 249234784 in words is "two hundred forty-nine million, two hundred thirty-four thousand, seven hundred eighty-four".