983549963 has 4 divisors (see below), whose sum is σ = 1072963608. Its totient is φ = 894136320.

The previous prime is 983549939. The next prime is 983549969. The reversal of 983549963 is 369945389.

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

It is not a de Polignac number, because 983549963 - 2²⁴ = 966772747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 983549899 and 983549908.

It is not an unprimeable number, because it can be changed into a prime (983549969) 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, 44706806 + ... + 44706827.

It is an arithmetic number, because the mean of its divisors is an integer number (268240902).

Almost surely, 2^983549963 is an apocalyptic number.

983549963 is a deficient number, since it is larger than the sum of its proper divisors (89413645).

983549963 is a wasteful number, since it uses less digits than its factorization.

983549963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89413644.

The product of its digits is 6298560, while the sum is 56.

The square root of 983549963 is about 31361.6001345595. The cubic root of 983549963 is about 994.4863094231.

The spelling of 983549963 in words is "nine hundred eighty-three million, five hundred forty-nine thousand, nine hundred sixty-three".