441978 has 16 divisors (see below), whose sum is σ = 930720. Its totient is φ = 139536.

The previous prime is 441971. The next prime is 442003. The reversal of 441978 is 879144.

It is not an unprimeable number, because it can be changed into a prime (441971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1825 + ... + 2052.

It is an arithmetic number, because the mean of its divisors is an integer number (58170).

2⁴⁴¹⁹⁷⁸ is an apocalyptic number.

441978 is an abundant number, since it is smaller than the sum of its proper divisors (488742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

441978 is a wasteful number, since it uses less digits than its factorization.

441978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901.

The product of its digits is 8064, while the sum is 33.

The square root of 441978 is about 664.8142597749. The cubic root of 441978 is about 76.1728521860.

The spelling of 441978 in words is "four hundred forty-one thousand, nine hundred seventy-eight".