6489504 has 192 divisors, whose sum is σ = 22982400. Its totient is φ = 1741824.

The previous prime is 6489499. The next prime is 6489551. The reversal of 6489504 is 4059846.

6489504 is a `hidden beast` number, since 648 + 9 + 5 + 0 + 4 = 666.

It is a super-2 number, since 2×6489504² = 84227324332032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175374 + ... + 175410.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

Almost surely, 2^6489504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6489504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11491200).

6489504 is an abundant number, since it is smaller than the sum of its proper divisors (16492896).

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

6489504 is a wasteful number, since it uses less digits than its factorization.

6489504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6489504 is about 2547.4504901960. The cubic root of 6489504 is about 186.5250513203.

The spelling of 6489504 in words is "six million, four hundred eighty-nine thousand, five hundred four".