6487400 has 48 divisors (see below), whose sum is σ = 15252000. Its totient is φ = 2566080.

The previous prime is 6487399. The next prime is 6487427. The reversal of 6487400 is 47846.

It is an unprimeable number.

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, 32501 + ... + 32699.

It is an arithmetic number, because the mean of its divisors is an integer number (317750).

Almost surely, 2^6487400 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 6487400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7626000).

6487400 is an abundant number, since it is smaller than the sum of its proper divisors (8764600).

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

6487400 is a wasteful number, since it uses less digits than its factorization.

6487400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 6487400 is about 2547.0374948163. The cubic root of 6487400 is about 186.5048910159.

The spelling of 6487400 in words is "six million, four hundred eighty-seven thousand, four hundred".