249469530 has 16 divisors (see below), whose sum is σ = 598726944. Its totient is φ = 66525200.

The previous prime is 249469511. The next prime is 249469541. The reversal of 249469530 is 35964942.

249469530 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4157796 + ... + 4157855.

It is an arithmetic number, because the mean of its divisors is an integer number (37420434).

Almost surely, 2^249469530 is an apocalyptic number.

249469530 is an abundant number, since it is smaller than the sum of its proper divisors (349257414).

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

249469530 is a wasteful number, since it uses less digits than its factorization.

249469530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315661.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 249469530 is about 15794.6044584852. The cubic root of 249469530 is about 629.5146425494.

The spelling of 249469530 in words is "two hundred forty-nine million, four hundred sixty-nine thousand, five hundred thirty".