3394921 has 2 divisors, whose sum is σ = 3394922. Its totient is φ = 3394920.

The previous prime is 3394907. The next prime is 3394927. The reversal of 3394921 is 1294933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 24025 = 1836^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 3394921 - 2¹³ = 3386729 is a prime.

It is not a weakly prime, because it can be changed into another prime (3394927) 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, 1697460 + 1697461.

It is an arithmetic number, because the mean of its divisors is an integer number (1697461).

Almost surely, 2^3394921 is an apocalyptic number.

It is an amenable number.

3394921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3394921 is an equidigital number, since it uses as much as digits as its factorization.

3394921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 3394921 is about 1842.5311394926. The cubic root of 3394921 is about 150.2945471605.

The spelling of 3394921 in words is "three million, three hundred ninety-four thousand, nine hundred twenty-one".