6478900 has 36 divisors (see below), whose sum is σ = 14283808. Its totient is φ = 2550240.

The previous prime is 6478891. The next prime is 6478931. The reversal of 6478900 is 98746.

It is a super-2 number, since 2×6478900² = 83952290420000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6217 + ... + 7183.

Almost surely, 2^6478900 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 6478900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7141904).

6478900 is an abundant number, since it is smaller than the sum of its proper divisors (7804908).

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

6478900 is a wasteful number, since it uses less digits than its factorization.

6478900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 6478900 is about 2545.3683426962. The cubic root of 6478900 is about 186.4234005141.

The spelling of 6478900 in words is "six million, four hundred seventy-eight thousand, nine hundred".