3421807 has 2 divisors, whose sum is σ = 3421808. Its totient is φ = 3421806.

The previous prime is 3421801. The next prime is 3421813. The reversal of 3421807 is 7081243.

It is a balanced prime because it is at equal distance from previous prime (3421801) and next prime (3421813).

It is a cyclic number.

It is not a de Polignac number, because 3421807 - 2³ = 3421799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421801) 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, 1710903 + 1710904.

It is an arithmetic number, because the mean of its divisors is an integer number (1710904).

Almost surely, 2^3421807 is an apocalyptic number.

3421807 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421807 is an equidigital number, since it uses as much as digits as its factorization.

3421807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 3421807 is about 1849.8126932206. The cubic root of 3421807 is about 150.6902558109.

The spelling of 3421807 in words is "three million, four hundred twenty-one thousand, eight hundred seven".