3128488 has 32 divisors (see below), whose sum is σ = 6500160. Its totient is φ = 1399680.

The previous prime is 3128453. The next prime is 3128501. The reversal of 3128488 is 8848213.

It is a super-2 number, since 2×3128488² = 19574874332288, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6181 + ... + 6667.

It is an arithmetic number, because the mean of its divisors is an integer number (203130).

Almost surely, 2^3128488 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 3128488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250080).

3128488 is an abundant number, since it is smaller than the sum of its proper divisors (3371672).

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

3128488 is a wasteful number, since it uses less digits than its factorization.

3128488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 573 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 3128488 is about 1768.7532332126. The cubic root of 3128488 is about 146.2552612128.

The spelling of 3128488 in words is "three million, one hundred twenty-eight thousand, four hundred eighty-eight".