2971986 has 16 divisors (see below), whose sum is σ = 6033504. Its totient is φ = 975744.

The previous prime is 2971973. The next prime is 2971987. The reversal of 2971986 is 6891792.

2971986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3295 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (377094).

2^2971986 is an apocalyptic number.

2971986 is an abundant number, since it is smaller than the sum of its proper divisors (3061518).

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

2971986 is a wasteful number, since it uses less digits than its factorization.

2971986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7465.

The product of its digits is 54432, while the sum is 42.

The square root of 2971986 is about 1723.9448947110. The cubic root of 2971986 is about 143.7746281685.

The spelling of 2971986 in words is "two million, nine hundred seventy-one thousand, nine hundred eighty-six".