249446 has 8 divisors (see below), whose sum is σ = 376704. Its totient is φ = 123880.

The previous prime is 249439. The next prime is 249449. The reversal of 249446 is 644942.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249449) by changing a digit.

249446 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 56 + ... + 708.

It is an arithmetic number, because the mean of its divisors is an integer number (47088).

2²⁴⁹⁴⁴⁶ is an apocalyptic number.

249446 is a deficient number, since it is larger than the sum of its proper divisors (127258).

249446 is a wasteful number, since it uses less digits than its factorization.

249446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 6912, while the sum is 29.

The square root of 249446 is about 499.4456927435. The cubic root of 249446 is about 62.9494849958.

The spelling of 249446 in words is "two hundred forty-nine thousand, four hundred forty-six".