3321971 has 4 divisors (see below), whose sum is σ = 3411792. Its totient is φ = 3232152.

The previous prime is 3321949. The next prime is 3321973. The reversal of 3321971 is 1791233.

3321971 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, and also an emirpimes, since its reverse is a distinct semiprime: 1791233 = 193 ⋅9281.

It is a cyclic number.

It is not a de Polignac number, because 3321971 - 2¹⁴ = 3305587 is a prime.

It is a super-2 number, since 2×3321971² = 22070982649682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3321971.

It is not an unprimeable number, because it can be changed into a prime (3321973) 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, 44855 + ... + 44928.

It is an arithmetic number, because the mean of its divisors is an integer number (852948).

Almost surely, 2^3321971 is an apocalyptic number.

3321971 is a deficient number, since it is larger than the sum of its proper divisors (89821).

3321971 is an equidigital number, since it uses as much as digits as its factorization.

3321971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89820.

The product of its digits is 1134, while the sum is 26.

The square root of 3321971 is about 1822.6274989696. The cubic root of 3321971 is about 149.2102342837.

The spelling of 3321971 in words is "three million, three hundred twenty-one thousand, nine hundred seventy-one".