6463984 has 20 divisors (see below), whose sum is σ = 12956760. Its totient is φ = 3120320.

The previous prime is 6463979. The next prime is 6463991. The reversal of 6463984 is 4893646.

It is a d-powerful number, because it can be written as 6⁴ + 4 + 6⁸ + 3³ + 9⁷ + 8 + 4³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6502 + ... + 7429.

It is an arithmetic number, because the mean of its divisors is an integer number (647838).

Almost surely, 2^6463984 is an apocalyptic number.

It is an amenable number.

6463984 is an abundant number, since it is smaller than the sum of its proper divisors (6492776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6463984 is a wasteful number, since it uses less digits than its factorization.

6463984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968 (or 13962 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 6463984 is about 2542.4366265455. The cubic root of 6463984 is about 186.2802266153.

It can be divided in two parts, 6463 and 984, that added together give a palindrome (7447).

The spelling of 6463984 in words is "six million, four hundred sixty-three thousand, nine hundred eighty-four".