1067663 has 4 divisors (see below), whose sum is σ = 1071408. Its totient is φ = 1063920.

The previous prime is 1067653. The next prime is 1067669. The reversal of 1067663 is 3667601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1067663 - 2²⁰ = 19087 is a prime.

It is a super-2 number, since 2×1067663² = 2279808563138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1067669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406 + ... + 2027.

It is an arithmetic number, because the mean of its divisors is an integer number (267852).

2^1067663 is an apocalyptic number.

1067663 is a deficient number, since it is larger than the sum of its proper divisors (3745).

1067663 is an equidigital number, since it uses as much as digits as its factorization.

1067663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 1067663 is about 1033.2777942064. The cubic root of 1067663 is about 102.2063935706.

The spelling of 1067663 in words is "one million, sixty-seven thousand, six hundred sixty-three".