983563 has 8 divisors (see below), whose sum is σ = 1140480. Its totient is φ = 830760.

The previous prime is 983557. The next prime is 983579. The reversal of 983563 is 365389.

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

It is not a de Polignac number, because 983563 - 2⁵ = 983531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (983513) 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, 493 + ... + 1486.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2⁹⁸³⁵⁶³ is an apocalyptic number.

983563 is a deficient number, since it is larger than the sum of its proper divisors (156917).

983563 is a wasteful number, since it uses less digits than its factorization.

983563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its digits is 19440, while the sum is 34.

The square root of 983563 is about 991.7474476902. The cubic root of 983563 is about 99.4490703391.

The spelling of 983563 in words is "nine hundred eighty-three thousand, five hundred sixty-three".