3287971 has 4 divisors (see below), whose sum is σ = 3294432. Its totient is φ = 3281512.

The previous prime is 3287959. The next prime is 3287989. The reversal of 3287971 is 1797823.

3287971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3287971 - 2¹¹ = 3285923 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 2¹⁷ + 8⁷ + 7 + 9⁵ + 7⁷ + 1 .

It is a Duffinian number.

3287971 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3287971.

It is not an unprimeable number, because it can be changed into a prime (3287941) 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 3 ways as a sum of consecutive naturals, for example, 2395 + ... + 3508.

It is an arithmetic number, because the mean of its divisors is an integer number (823608).

Almost surely, 2^3287971 is an apocalyptic number.

3287971 is a deficient number, since it is larger than the sum of its proper divisors (6461).

3287971 is an equidigital number, since it uses as much as digits as its factorization.

3287971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460.

The product of its digits is 21168, while the sum is 37.

The square root of 3287971 is about 1813.2763165056. The cubic root of 3287971 is about 148.6994376558.

The spelling of 3287971 in words is "three million, two hundred eighty-seven thousand, nine hundred seventy-one".