249599244 has 12 divisors (see below), whose sum is σ = 582398264. Its totient is φ = 83199744.

The previous prime is 249599239. The next prime is 249599249. The reversal of 249599244 is 442995942.

It is an interprime number because it is at equal distance from previous prime (249599239) and next prime (249599249).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 249599193 and 249599202.

It is not an unprimeable number, because it can be changed into a prime (249599249) 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, 10399957 + ... + 10399980.

Almost surely, 2^249599244 is an apocalyptic number.

It is an amenable number.

249599244 is an abundant number, since it is smaller than the sum of its proper divisors (332799020).

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

249599244 is a wasteful number, since it uses less digits than its factorization.

249599244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20799944 (or 20799942 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 249599244 is about 15798.7102005195. The cubic root of 249599244 is about 629.6237309735.

The spelling of 249599244 in words is "two hundred forty-nine million, five hundred ninety-nine thousand, two hundred forty-four".