394449 has 8 divisors (see below), whose sum is σ = 573792. Its totient is φ = 239040.

The previous prime is 394411. The next prime is 394453. The reversal of 394449 is 944493.

It is a happy number.

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

It is not a de Polignac number, because 394449 - 2¹² = 390353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 11953 = 394449 / (3 + 9 + 4 + 4 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (394409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5944 + ... + 6009.

It is an arithmetic number, because the mean of its divisors is an integer number (71724).

2³⁹⁴⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

394449 is a deficient number, since it is larger than the sum of its proper divisors (179343).

394449 is a wasteful number, since it uses less digits than its factorization.

394449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967.

The product of its digits is 15552, while the sum is 33.

The square root of 394449 is about 628.0517494602. The cubic root of 394449 is about 73.3382067468.

It can be divided in two parts, 3944 and 49, that added together give a palindrome (3993).

The spelling of 394449 in words is "three hundred ninety-four thousand, four hundred forty-nine".