249904794 has 16 divisors (see below), whose sum is σ = 529210368. Its totient is φ = 78401472.

The previous prime is 249904793. The next prime is 249904801. The reversal of 249904794 is 497409942.

249904794 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (249904793) 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 7 ways as a sum of consecutive naturals, for example, 1224922 + ... + 1225125.

It is an arithmetic number, because the mean of its divisors is an integer number (33075648).

Almost surely, 2^249904794 is an apocalyptic number.

249904794 is an abundant number, since it is smaller than the sum of its proper divisors (279305574).

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

249904794 is a wasteful number, since it uses less digits than its factorization.

249904794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2450069.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 249904794 is about 15808.3773360835. The cubic root of 249904794 is about 629.8805467651.

The spelling of 249904794 in words is "two hundred forty-nine million, nine hundred four thousand, seven hundred ninety-four".