6578988 has 48 divisors (see below), whose sum is σ = 16694496. Its totient is φ = 2004480.

The previous prime is 6578987. The next prime is 6579019. The reversal of 6578988 is 8898756.

It is a happy number.

Its product of digits (967680) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 6578988.

It is not an unprimeable number, because it can be changed into a prime (6578987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28120 + ... + 28352.

It is an arithmetic number, because the mean of its divisors is an integer number (347802).

Almost surely, 2^6578988 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 6578988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8347248).

6578988 is an abundant number, since it is smaller than the sum of its proper divisors (10115508).

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

6578988 is a wasteful number, since it uses less digits than its factorization.

6578988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 6578988 is about 2564.9538007535. The cubic root of 6578988 is about 187.3784741404.

The spelling of 6578988 in words is "six million, five hundred seventy-eight thousand, nine hundred eighty-eight".