249135296 has 56 divisors (see below), whose sum is σ = 523402560. Its totient is φ = 117331200.

The previous prime is 249135253. The next prime is 249135307. The reversal of 249135296 is 692531942.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256091 + ... + 257061.

Almost surely, 2^249135296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 249135296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261701280).

249135296 is an abundant number, since it is smaller than the sum of its proper divisors (274267264).

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

249135296 is a wasteful number, since it uses less digits than its factorization.

249135296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1203 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 249135296 is about 15784.0202736819. The cubic root of 249135296 is about 629.2333801008.

The spelling of 249135296 in words is "two hundred forty-nine million, one hundred thirty-five thousand, two hundred ninety-six".