3494681 has 2 divisors, whose sum is σ = 3494682. Its totient is φ = 3494680.

The previous prime is 3494669. The next prime is 3494693. The reversal of 3494681 is 1864943.

3494681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (3494669) and next prime (3494693).

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 379456 = 1765^2 + 616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3494681 is a prime.

It is a super-2 number, since 2×3494681² = 24425590583522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3494641) 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, 1747340 + 1747341.

It is an arithmetic number, because the mean of its divisors is an integer number (1747341).

Almost surely, 2^3494681 is an apocalyptic number.

It is an amenable number.

3494681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3494681 is an equidigital number, since it uses as much as digits as its factorization.

3494681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 3494681 is about 1869.4065903382. The cubic root of 3494681 is about 151.7524971385.

The spelling of 3494681 in words is "three million, four hundred ninety-four thousand, six hundred eighty-one".