1041663 has 8 divisors (see below), whose sum is σ = 1587328. Its totient is φ = 595224.

The previous prime is 1041653. The next prime is 1041671. The reversal of 1041663 is 3661401.

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

It is not a de Polignac number, because 1041663 - 2⁹ = 1041151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 49603 = 1041663 / (1 + 0 + 4 + 1 + 6 + 6 + 3).

It is a Duffinian number.

1041663 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041643) 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, 24781 + ... + 24822.

It is an arithmetic number, because the mean of its divisors is an integer number (198416).

2^1041663 is an apocalyptic number.

1041663 is a deficient number, since it is larger than the sum of its proper divisors (545665).

1041663 is an equidigital number, since it uses as much as digits as its factorization.

1041663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49613.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1041663 is about 1020.6189298656. The cubic root of 1041663 is about 101.3699143186.

The spelling of 1041663 in words is "one million, forty-one thousand, six hundred sixty-three".