244478 has 8 divisors (see below), whose sum is σ = 394968. Its totient is φ = 112824.

The previous prime is 244471. The next prime is 244481. The reversal of 244478 is 874442.

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

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 244478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244471) by changing a digit.

244478 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4676 + ... + 4727.

It is an arithmetic number, because the mean of its divisors is an integer number (49371).

2²⁴⁴⁴⁷⁸ is an apocalyptic number.

244478 is a deficient number, since it is larger than the sum of its proper divisors (150490).

244478 is a wasteful number, since it uses less digits than its factorization.

244478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418.

The product of its digits is 7168, while the sum is 29.

The square root of 244478 is about 494.4471660350. The cubic root of 244478 is about 62.5287760823.

The spelling of 244478 in words is "two hundred forty-four thousand, four hundred seventy-eight".