249320216 has 16 divisors (see below), whose sum is σ = 467834640. Its totient is φ = 124564320.

The previous prime is 249320213. The next prime is 249320219. The reversal of 249320216 is 612023942.

249320216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (249320213) and next prime (249320219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249320213) 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, 236 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (29239665).

Almost surely, 2^249320216 is an apocalyptic number.

It is an amenable number.

249320216 is a deficient number, since it is larger than the sum of its proper divisors (218514424).

249320216 is a wasteful number, since it uses less digits than its factorization.

249320216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23954 (or 23950 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 249320216 is about 15789.8770102873. The cubic root of 249320216 is about 629.3890238570.

The spelling of 249320216 in words is "two hundred forty-nine million, three hundred twenty thousand, two hundred sixteen".