249315892 has 24 divisors (see below), whose sum is σ = 510230336. Its totient is φ = 104364288.

The previous prime is 249315881. The next prime is 249315901. The reversal of 249315892 is 298513942.

249315892 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

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, 102333 + ... + 104740.

Almost surely, 2^249315892 is an apocalyptic number.

It is an amenable number.

249315892 is an abundant number, since it is smaller than the sum of its proper divisors (260914444).

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

249315892 is a wasteful number, since it uses less digits than its factorization.

249315892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207127 (or 207125 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 249315892 is about 15789.7400865245. The cubic root of 249315892 is about 629.3853853047.

The spelling of 249315892 in words is "two hundred forty-nine million, three hundred fifteen thousand, eight hundred ninety-two".