3394981 has 2 divisors, whose sum is σ = 3394982. Its totient is φ = 3394980.

The previous prime is 3394973. The next prime is 3394999. The reversal of 3394981 is 1894933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3272481 + 122500 = 1809^2 + 350^2 .

It is an emirp because it is prime and its reverse (1894933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3394981 - 2³ = 3394973 is a prime.

It is a super-2 number, since 2×3394981² = 23051791980722, 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 3394981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3394921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697490 + 1697491.

It is an arithmetic number, because the mean of its divisors is an integer number (1697491).

Almost surely, 2^3394981 is an apocalyptic number.

It is an amenable number.

3394981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3394981 is an equidigital number, since it uses as much as digits as its factorization.

3394981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 3394981 is about 1842.5474213707. The cubic root of 3394981 is about 150.2954325635.

The spelling of 3394981 in words is "three million, three hundred ninety-four thousand, nine hundred eighty-one".