1036663 has 4 divisors (see below), whose sum is σ = 1072440. Its totient is φ = 1000888.

The previous prime is 1036661. The next prime is 1036667. The reversal of 1036663 is 3666301.

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 1036663 - 2¹ = 1036661 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 (1036661) 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, 17845 + ... + 17902.

It is an arithmetic number, because the mean of its divisors is an integer number (268110).

2^1036663 is an apocalyptic number.

1036663 is a deficient number, since it is larger than the sum of its proper divisors (35777).

1036663 is an equidigital number, since it uses as much as digits as its factorization.

1036663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35776.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1036663 is about 1018.1664893327. The cubic root of 1036663 is about 101.2074616817.

The spelling of 1036663 in words is "one million, thirty-six thousand, six hundred sixty-three".