1083663 has 24 divisors (see below), whose sum is σ = 1817088. Its totient is φ = 609552.

The previous prime is 1083659. The next prime is 1083689. The reversal of 1083663 is 3663801.

It is not a de Polignac number, because 1083663 - 2² = 1083659 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6406 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (75712).

2^1083663 is an apocalyptic number.

1083663 is a deficient number, since it is larger than the sum of its proper divisors (733425).

1083663 is a wasteful number, since it uses less digits than its factorization.

1083663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1083663 is about 1040.9913544310. The cubic root of 1083663 is about 102.7144192786.

The spelling of 1083663 in words is "one million, eighty-three thousand, six hundred sixty-three".