441667361 has 16 divisors (see below), whose sum is σ = 485125200. Its totient is φ = 400232448.

The previous prime is 441667351. The next prime is 441667403. The reversal of 441667361 is 163766144.

It can be written as a sum of positive squares in 8 ways, for example, as 27300625 + 414366736 = 5225^2 + 20356^2 .

It is a cyclic number.

It is not a de Polignac number, because 441667361 - 2⁶ = 441667297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441667351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212435 + ... + 214503.

It is an arithmetic number, because the mean of its divisors is an integer number (30320325).

Almost surely, 2^441667361 is an apocalyptic number.

It is an amenable number.

441667361 is a deficient number, since it is larger than the sum of its proper divisors (43457839).

441667361 is a wasteful number, since it uses less digits than its factorization.

441667361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548.

The product of its digits is 72576, while the sum is 38.

The square root of 441667361 is about 21015.8835407889. The cubic root of 441667361 is about 761.5500227465.

The spelling of 441667361 in words is "four hundred forty-one million, six hundred sixty-seven thousand, three hundred sixty-one".