249794 has 4 divisors (see below), whose sum is σ = 374694. Its totient is φ = 124896.

The previous prime is 249779. The next prime is 249797. The reversal of 249794 is 497942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 497942 = 2 ⋅248971.

It can be written as a sum of positive squares in only one way, i.e., 180625 + 69169 = 425^2 + 263^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249794.

It is not an unprimeable number, because it can be changed into a prime (249797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62447 + ... + 62450.

2²⁴⁹⁷⁹⁴ is an apocalyptic number.

249794 is a deficient number, since it is larger than the sum of its proper divisors (124900).

249794 is a wasteful number, since it uses less digits than its factorization.

249794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124899.

The product of its digits is 18144, while the sum is 35.

The square root of 249794 is about 499.7939575465. The cubic root of 249794 is about 62.9787448243.

The spelling of 249794 in words is "two hundred forty-nine thousand, seven hundred ninety-four".