1441663 has 8 divisors (see below), whose sum is σ = 1584000. Its totient is φ = 1306008.

The previous prime is 1441637. The next prime is 1441669. The reversal of 1441663 is 3661441.

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

It is a cyclic number.

It is not a de Polignac number, because 1441663 - 2⁹ = 1441151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1441669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 2086.

It is an arithmetic number, because the mean of its divisors is an integer number (198000).

2^1441663 is an apocalyptic number.

1441663 is a deficient number, since it is larger than the sum of its proper divisors (142337).

1441663 is a wasteful number, since it uses less digits than its factorization.

1441663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341.

The product of its digits is 1728, while the sum is 25.

The square root of 1441663 is about 1200.6927167265. The cubic root of 1441663 is about 112.9677773788.

The spelling of 1441663 in words is "one million, four hundred forty-one thousand, six hundred sixty-three".