249759874 has 16 divisors (see below), whose sum is σ = 461095488. Its totient is φ = 98806032.

The previous prime is 249759871. The next prime is 249759893. The reversal of 249759874 is 478957942.

249759874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (249759871) by changing a digit.

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, 685972 + ... + 686335.

It is an arithmetic number, because the mean of its divisors is an integer number (28818468).

Almost surely, 2^249759874 is an apocalyptic number.

249759874 is a deficient number, since it is larger than the sum of its proper divisors (211335614).

249759874 is a wasteful number, since it uses less digits than its factorization.

249759874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372329.

The product of its digits is 5080320, while the sum is 55.

The square root of 249759874 is about 15803.7930257265. The cubic root of 249759874 is about 629.7587671359.

The spelling of 249759874 in words is "two hundred forty-nine million, seven hundred fifty-nine thousand, eight hundred seventy-four".