249140296 has 8 divisors (see below), whose sum is σ = 467138070. Its totient is φ = 124570144.

The previous prime is 249140291. The next prime is 249140377. The reversal of 249140296 is 692041942.

It is a happy number.

249140296 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 207072100 + 42068196 = 14390^2 + 6486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (249140291) 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 as a sum of consecutive naturals, namely, 15571261 + ... + 15571276.

Almost surely, 2^249140296 is an apocalyptic number.

It is an amenable number.

249140296 is a deficient number, since it is larger than the sum of its proper divisors (217997774).

249140296 is a wasteful number, since it uses less digits than its factorization.

249140296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31142543 (or 31142539 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 249140296 is about 15784.1786609250. The cubic root of 249140296 is about 629.2375895216.

The spelling of 249140296 in words is "two hundred forty-nine million, one hundred forty thousand, two hundred ninety-six".