983385663 has 32 divisors (see below), whose sum is σ = 1429451520. Its totient is φ = 597749760.

The previous prime is 983385661. The next prime is 983385673. The reversal of 983385663 is 366583389.

It is not a de Polignac number, because 983385663 - 2¹ = 983385661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (983385661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533823 + ... + 1534463.

It is an arithmetic number, because the mean of its divisors is an integer number (44670360).

Almost surely, 2^983385663 is an apocalyptic number.

983385663 is a deficient number, since it is larger than the sum of its proper divisors (446065857).

983385663 is a wasteful number, since it uses less digits than its factorization.

983385663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its digits is 2799360, while the sum is 51.

The square root of 983385663 is about 31358.9805797319. The cubic root of 983385663 is about 994.4309307079.

The spelling of 983385663 in words is "nine hundred eighty-three million, three hundred eighty-five thousand, six hundred sixty-three".