249845994 has 24 divisors (see below), whose sum is σ = 541676772. Its totient is φ = 83229120.

The previous prime is 249845989. The next prime is 249846001. The reversal of 249845994 is 499548942.

249845994 is a `hidden beast` number, since 2 + 49 + 8 + 4 + 599 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 242892225 + 6953769 = 15585^2 + 2637^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 249845994.

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, 33574 + ... + 40334.

Almost surely, 2^249845994 is an apocalyptic number.

249845994 is an abundant number, since it is smaller than the sum of its proper divisors (291830778).

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

249845994 is a wasteful number, since it uses less digits than its factorization.

249845994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8822 (or 8819 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 249845994 is about 15806.5174532533. The cubic root of 249845994 is about 629.8311414419.

The spelling of 249845994 in words is "two hundred forty-nine million, eight hundred forty-five thousand, nine hundred ninety-four".