2971988 has 24 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 1409184.

The previous prime is 2971987. The next prime is 2971993. The reversal of 2971988 is 8891792.

2971988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2^2971988 is an apocalyptic number.

It is an amenable number.

2971988 is a deficient number, since it is larger than the sum of its proper divisors (2505484).

2971988 is a wasteful number, since it uses less digits than its factorization.

2971988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its digits is 72576, while the sum is 44.

The square root of 2971988 is about 1723.9454747758. The cubic root of 2971988 is about 143.7746604195.

The spelling of 2971988 in words is "two million, nine hundred seventy-one thousand, nine hundred eighty-eight".