249974 has 4 divisors (see below), whose sum is σ = 374964. Its totient is φ = 124986.

The previous prime is 249973. The next prime is 249989. The reversal of 249974 is 479942.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 249974.

It is not an unprimeable number, because it can be changed into a prime (249971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62492 + ... + 62495.

It is an arithmetic number, because the mean of its divisors is an integer number (93741).

2²⁴⁹⁹⁷⁴ is an apocalyptic number.

249974 is a deficient number, since it is larger than the sum of its proper divisors (124990).

249974 is a wasteful number, since it uses less digits than its factorization.

249974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124989.

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

The square root of 249974 is about 499.9739993240. The cubic root of 249974 is about 62.9938685559.

The spelling of 249974 in words is "two hundred forty-nine thousand, nine hundred seventy-four".