983563783 has 4 divisors (see below), whose sum is σ = 1004490720. Its totient is φ = 962636848.

The previous prime is 983563759. The next prime is 983563813. The reversal of 983563783 is 387365389.

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 983563783 - 2¹³ = 983555591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 983563783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983563723) 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, 10463398 + ... + 10463491.

It is an arithmetic number, because the mean of its divisors is an integer number (251122680).

Almost surely, 2^983563783 is an apocalyptic number.

983563783 is a deficient number, since it is larger than the sum of its proper divisors (20926937).

983563783 is a wasteful number, since it uses less digits than its factorization.

983563783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20926936.

The product of its digits is 3265920, while the sum is 52.

The square root of 983563783 is about 31361.8204669308. The cubic root of 983563783 is about 994.4909672906.

The spelling of 983563783 in words is "nine hundred eighty-three million, five hundred sixty-three thousand, seven hundred eighty-three".