3311988 has 12 divisors (see below), whose sum is σ = 7728000. Its totient is φ = 1103992.

The previous prime is 3311983. The next prime is 3311999. The reversal of 3311988 is 8891133.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137988 + ... + 138011.

It is an arithmetic number, because the mean of its divisors is an integer number (644000).

Almost surely, 2^3311988 is an apocalyptic number.

It is an amenable number.

3311988 is an abundant number, since it is smaller than the sum of its proper divisors (4416012).

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

3311988 is a wasteful number, since it uses less digits than its factorization.

3311988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276006 (or 276004 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 3311988 is about 1819.8868096670. The cubic root of 3311988 is about 149.0606182491.

It can be divided in two parts, 33 and 11988, that added together give a palindrome (12021).

The spelling of 3311988 in words is "three million, three hundred eleven thousand, nine hundred eighty-eight".