3454421 has 2 divisors, whose sum is σ = 3454422. Its totient is φ = 3454420.

The previous prime is 3454403. The next prime is 3454457. The reversal of 3454421 is 1244543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220100 + 1234321 = 1490^2 + 1111^2 .

It is an emirp because it is prime and its reverse (1244543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3454421 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3454481) 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, 1727210 + 1727211.

It is an arithmetic number, because the mean of its divisors is an integer number (1727211).

Almost surely, 2^3454421 is an apocalyptic number.

It is an amenable number.

3454421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3454421 is an equidigital number, since it uses as much as digits as its factorization.

3454421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 23.

The square root of 3454421 is about 1858.6072742782. The cubic root of 3454421 is about 151.1674968393.

Adding to 3454421 its reverse (1244543), we get a palindrome (4698964).

The spelling of 3454421 in words is "three million, four hundred fifty-four thousand, four hundred twenty-one".