3469421 has 2 divisors, whose sum is σ = 3469422. Its totient is φ = 3469420.

The previous prime is 3469393. The next prime is 3469441. The reversal of 3469421 is 1249643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2292196 + 1177225 = 1514^2 + 1085^2 .

It is an emirp because it is prime and its reverse (1249643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3469421 - 2¹⁸ = 3207277 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3469441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734710 + 1734711.

It is an arithmetic number, because the mean of its divisors is an integer number (1734711).

Almost surely, 2^3469421 is an apocalyptic number.

It is an amenable number.

3469421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3469421 is an equidigital number, since it uses as much as digits as its factorization.

3469421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 3469421 is about 1862.6381827934. The cubic root of 3469421 is about 151.3859838451.

The spelling of 3469421 in words is "three million, four hundred sixty-nine thousand, four hundred twenty-one".