249384834 has 24 divisors (see below), whose sum is σ = 540633600. Its totient is φ = 83082168.

The previous prime is 249384809. The next prime is 249384841. The reversal of 249384834 is 438483942.

249384834 is a `hidden beast` number, since 2 + 493 + 84 + 83 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 249384834.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49567 + ... + 54365.

It is an arithmetic number, because the mean of its divisors is an integer number (22526400).

Almost surely, 2^249384834 is an apocalyptic number.

249384834 is an abundant number, since it is smaller than the sum of its proper divisors (291248766).

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

249384834 is a wasteful number, since it uses less digits than its factorization.

249384834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7691 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 249384834 is about 15791.9230621226. The cubic root of 249384834 is about 629.4433934912.

The spelling of 249384834 in words is "two hundred forty-nine million, three hundred eighty-four thousand, eight hundred thirty-four".