3412921 has 2 divisors, whose sum is σ = 3412922. Its totient is φ = 3412920.

The previous prime is 3412909. The next prime is 3412931. The reversal of 3412921 is 1292143.

3412921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 42025 = 1836^2 + 205^2 .

It is an emirp because it is prime and its reverse (1292143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3412921 - 2⁷ = 3412793 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is equal to p₂₄₄₄₂₆ and since 3412921 and 244426 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 3412892 and 3412901.

It is not a weakly prime, because it can be changed into another prime (3412931) 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, 1706460 + 1706461.

It is an arithmetic number, because the mean of its divisors is an integer number (1706461).

Almost surely, 2^3412921 is an apocalyptic number.

It is an amenable number.

3412921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3412921 is an equidigital number, since it uses as much as digits as its factorization.

3412921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 3412921 is about 1847.4092670548. The cubic root of 3412921 is about 150.5597015562.

The spelling of 3412921 in words is "three million, four hundred twelve thousand, nine hundred twenty-one".