3011988 has 48 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 822624.

The previous prime is 3011971. The next prime is 3011989. The reversal of 3011988 is 8891103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011989) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1153 + ... + 2711.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^3011988 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 3011988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4193280).

3011988 is an abundant number, since it is smaller than the sum of its proper divisors (5374572).

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

3011988 is a wasteful number, since it uses less digits than its factorization.

3011988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 3011988 is about 1735.5079947958. The cubic root of 3011988 is about 144.4168093527.

The spelling of 3011988 in words is "three million, eleven thousand, nine hundred eighty-eight".