3377981 has 2 divisors, whose sum is σ = 3377982. Its totient is φ = 3377980.

The previous prime is 3377963. The next prime is 3377993. The reversal of 3377981 is 1897733.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 538756 = 1685^2 + 734^2 .

It is an emirp because it is prime and its reverse (1897733) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3377981 is a prime.

It is a super-2 number, since 2×3377981² = 22821511272722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3377911) 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, 1688990 + 1688991.

It is an arithmetic number, because the mean of its divisors is an integer number (1688991).

Almost surely, 2^3377981 is an apocalyptic number.

It is an amenable number.

3377981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3377981 is an equidigital number, since it uses as much as digits as its factorization.

3377981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752, while the sum is 38.

The square root of 3377981 is about 1837.9284534497. The cubic root of 3377981 is about 150.0441499669.

The spelling of 3377981 in words is "three million, three hundred seventy-seven thousand, nine hundred eighty-one".