441491028 has 24 divisors (see below), whose sum is σ = 1123795680. Its totient is φ = 133785120.

The previous prime is 441491009. The next prime is 441491051. The reversal of 441491028 is 820194144.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 441491028.

It is a congruent number.

It is an unprimeable number.

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, 1672183 + ... + 1672446.

It is an arithmetic number, because the mean of its divisors is an integer number (46824820).

Almost surely, 2^441491028 is an apocalyptic number.

It is an amenable number.

441491028 is an abundant number, since it is smaller than the sum of its proper divisors (682304652).

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

441491028 is a wasteful number, since it uses less digits than its factorization.

441491028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344647 (or 3344645 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 441491028 is about 21011.6878903148. The cubic root of 441491028 is about 761.4486611888.

The spelling of 441491028 in words is "four hundred forty-one million, four hundred ninety-one thousand, twenty-eight".