249713376 has 48 divisors (see below), whose sum is σ = 715091328. Its totient is φ = 75670400.

The previous prime is 249713291. The next prime is 249713377. The reversal of 249713376 is 673317942.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249713377) 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, 117180 + ... + 119291.

It is an arithmetic number, because the mean of its divisors is an integer number (14897736).

Almost surely, 2^249713376 is an apocalyptic number.

It is an amenable number.

249713376 is an abundant number, since it is smaller than the sum of its proper divisors (465377952).

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

249713376 is a wasteful number, since it uses less digits than its factorization.

249713376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236495 (or 236487 counting only the distinct ones).

The product of its digits is 190512, while the sum is 42.

The square root of 249713376 is about 15802.3218547149. The cubic root of 249713376 is about 629.7196838088.

The spelling of 249713376 in words is "two hundred forty-nine million, seven hundred thirteen thousand, three hundred seventy-six".