3367981 has 2 divisors, whose sum is σ = 3367982. Its totient is φ = 3367980.

The previous prime is 3367963. The next prime is 3368003. The reversal of 3367981 is 1897633.

3367981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 1144900 = 1491^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 3367981 - 2¹⁹ = 2843693 is a prime.

It is a super-2 number, since 2×3367981² = 22686592032722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3367981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3367901) 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 as a sum of consecutive naturals, namely, 1683990 + 1683991.

It is an arithmetic number, because the mean of its divisors is an integer number (1683991).

Almost surely, 2^3367981 is an apocalyptic number.

It is an amenable number.

3367981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3367981 is an equidigital number, since it uses as much as digits as its factorization.

3367981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 3367981 is about 1835.2059829894. The cubic root of 3367981 is about 149.8959426453.

The spelling of 3367981 in words is "three million, three hundred sixty-seven thousand, nine hundred eighty-one".