441491000 has 64 divisors (see below), whose sum is σ = 1042498080. Its totient is φ = 174988800.

The previous prime is 441490991. The next prime is 441491009. The reversal of 441491000 is 194144.

It is an interprime number because it is at equal distance from previous prime (441490991) and next prime (441491009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441491009) 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 15 ways as a sum of consecutive naturals, for example, 111047 + ... + 114953.

Almost surely, 2^441491000 is an apocalyptic number.

441491000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441491000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (521249040).

441491000 is an abundant number, since it is smaller than the sum of its proper divisors (601007080).

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

441491000 is a wasteful number, since it uses less digits than its factorization.

441491000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041 (or 4027 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 441491000 is about 21011.6872240189. The cubic root of 441491000 is about 761.4486450914.

The spelling of 441491000 in words is "four hundred forty-one million, four hundred ninety-one thousand".