3397861 has 2 divisors, whose sum is σ = 3397862. Its totient is φ = 3397860.

The previous prime is 3397853. The next prime is 3397871. The reversal of 3397861 is 1687933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 352836 = 1745^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 3397861 - 2³ = 3397853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3397861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3397811) 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, 1698930 + 1698931.

It is an arithmetic number, because the mean of its divisors is an integer number (1698931).

Almost surely, 2^3397861 is an apocalyptic number.

It is an amenable number.

3397861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3397861 is an equidigital number, since it uses as much as digits as its factorization.

3397861 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 3397861 is about 1843.3287823934. The cubic root of 3397861 is about 150.3379196452.

The spelling of 3397861 in words is "three million, three hundred ninety-seven thousand, eight hundred sixty-one".