6484864 has 32 divisors (see below), whose sum is σ = 13372200. Its totient is φ = 3128832.

The previous prime is 6484861. The next prime is 6484889. The reversal of 6484864 is 4684846.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×6484864² = 84106922196992, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6484861) 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, 2839 + ... + 4585.

Almost surely, 2^6484864 is an apocalyptic number.

6484864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6484864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6686100).

6484864 is an abundant number, since it is smaller than the sum of its proper divisors (6887336).

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

6484864 is a wasteful number, since it uses less digits than its factorization.

6484864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790 (or 1778 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 6484864 is about 2546.5396128865. The cubic root of 6484864 is about 186.4805855393.

The spelling of 6484864 in words is "six million, four hundred eighty-four thousand, eight hundred sixty-four".