249930967 has 16 divisors (see below), whose sum is σ = 301567392. Its totient is φ = 204059520.

The previous prime is 249930929. The next prime is 249930979. The reversal of 249930967 is 769039942.

It is a cyclic number.

It is not a de Polignac number, because 249930967 - 2¹¹ = 249928919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 249930967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249930907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18328 + ... + 28909.

It is an arithmetic number, because the mean of its divisors is an integer number (18847962).

Almost surely, 2^249930967 is an apocalyptic number.

249930967 is a deficient number, since it is larger than the sum of its proper divisors (51636425).

249930967 is a wasteful number, since it uses less digits than its factorization.

249930967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47298.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 249930967 is about 15809.2051349839. The cubic root of 249930967 is about 629.9025355230.

The spelling of 249930967 in words is "two hundred forty-nine million, nine hundred thirty thousand, nine hundred sixty-seven".