3421567 has 2 divisors, whose sum is σ = 3421568. Its totient is φ = 3421566.

The previous prime is 3421531. The next prime is 3421591. The reversal of 3421567 is 7651243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3421567 - 2¹¹ = 3419519 is a prime.

3421567 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710783 + 1710784.

It is an arithmetic number, because the mean of its divisors is an integer number (1710784).

Almost surely, 2^3421567 is an apocalyptic number.

3421567 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421567 is an equidigital number, since it uses as much as digits as its factorization.

3421567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 3421567 is about 1849.7478206502. The cubic root of 3421567 is about 150.6867326717.

The spelling of 3421567 in words is "three million, four hundred twenty-one thousand, five hundred sixty-seven".