6463983 has 12 divisors (see below), whose sum is σ = 8746440. Its totient is φ = 4246272.

The previous prime is 6463979. The next prime is 6463991. The reversal of 6463983 is 3893646.

It is not a de Polignac number, because 6463983 - 2² = 6463979 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 4 + 6⁸ + 3⁴ + 9 + 8 + 3¹⁴ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6463973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28113 + ... + 28341.

It is an arithmetic number, because the mean of its divisors is an integer number (728870).

Almost surely, 2^6463983 is an apocalyptic number.

6463983 is a deficient number, since it is larger than the sum of its proper divisors (2282457).

6463983 is an equidigital number, since it uses as much as digits as its factorization.

6463983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 329 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 6463983 is about 2542.4364298837. The cubic root of 6463983 is about 186.2802170093.

The spelling of 6463983 in words is "six million, four hundred sixty-three thousand, nine hundred eighty-three".