249390534 has 16 divisors (see below), whose sum is σ = 499341888. Its totient is φ = 83036712.

The previous prime is 249390521. The next prime is 249390551. The reversal of 249390534 is 435093942.

It is a junction number, because it is equal to n+sod(n) for n = 249390492 and 249390501.

It is a congruent number.

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, 17472 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (31208868).

Almost surely, 2^249390534 is an apocalyptic number.

249390534 is an abundant number, since it is smaller than the sum of its proper divisors (249951354).

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

249390534 is a wasteful number, since it uses less digits than its factorization.

249390534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46739.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 249390534 is about 15792.1035330953. The cubic root of 249390534 is about 629.4481890248.

The spelling of 249390534 in words is "two hundred forty-nine million, three hundred ninety thousand, five hundred thirty-four".