249444446 has 8 divisors (see below), whose sum is σ = 374241000. Its totient is φ = 124697448.

The previous prime is 249444443. The next prime is 249444467. The reversal of 249444446 is 644444942.

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 (249444443) 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 3 ways as a sum of consecutive naturals, for example, 5180 + ... + 22928.

It is an arithmetic number, because the mean of its divisors is an integer number (46780125).

Almost surely, 2^249444446 is an apocalyptic number.

249444446 is a deficient number, since it is larger than the sum of its proper divisors (124796554).

249444446 is a wasteful number, since it uses less digits than its factorization.

249444446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778.

The product of its digits is 442368, while the sum is 41.

The square root of 249444446 is about 15793.8103698886. The cubic root of 249444446 is about 629.4935427454.

The spelling of 249444446 in words is "two hundred forty-nine million, four hundred forty-four thousand, four hundred forty-six".