6478488 has 64 divisors (see below), whose sum is σ = 18252000. Its totient is φ = 2128896.

The previous prime is 6478481. The next prime is 6478489. The reversal of 6478488 is 8848746.

It is a super-2 number, since 2×6478488² = 83941613532288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6478481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 19056 + ... + 19392.

Almost surely, 2^6478488 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 6478488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9126000).

6478488 is an abundant number, since it is smaller than the sum of its proper divisors (11773512).

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

6478488 is a wasteful number, since it uses less digits than its factorization.

6478488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 431 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 6478488 is about 2545.2874100973. The cubic root of 6478488 is about 186.4194488109.

The spelling of 6478488 in words is "six million, four hundred seventy-eight thousand, four hundred eighty-eight".