6488988 has 72 divisors (see below), whose sum is σ = 17204880. Its totient is φ = 1900800.

The previous prime is 6488987. The next prime is 6489083. The reversal of 6488988 is 8898846.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6488988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6488987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59478 + ... + 59586.

Almost surely, 2^6488988 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 6488988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8602440).

6488988 is an abundant number, since it is smaller than the sum of its proper divisors (10715892).

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

6488988 is a wasteful number, since it uses less digits than its factorization.

6488988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 166 counting only the distinct ones).

The product of its digits is 884736, while the sum is 51.

The square root of 6488988 is about 2547.3492104539. The cubic root of 6488988 is about 186.5201074665.

The spelling of 6488988 in words is "six million, four hundred eighty-eight thousand, nine hundred eighty-eight".