249473794 has 8 divisors (see below), whose sum is σ = 374425920. Its totient is φ = 124665156.

The previous prime is 249473789. The next prime is 249473821. The reversal of 249473794 is 497374942.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31414 + ... + 38545.

It is an arithmetic number, because the mean of its divisors is an integer number (46803240).

Almost surely, 2^249473794 is an apocalyptic number.

249473794 is a deficient number, since it is larger than the sum of its proper divisors (124952126).

249473794 is a wasteful number, since it uses less digits than its factorization.

249473794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71744.

The product of its digits is 1524096, while the sum is 49.

The square root of 249473794 is about 15794.7394407125. The cubic root of 249473794 is about 629.5182291399.

The spelling of 249473794 in words is "two hundred forty-nine million, four hundred seventy-three thousand, seven hundred ninety-four".