3421907 has 2 divisors, whose sum is σ = 3421908. Its totient is φ = 3421906.

The previous prime is 3421903. The next prime is 3421921. The reversal of 3421907 is 7091243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3421907 - 2² = 3421903 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3421903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710953 + 1710954.

It is an arithmetic number, because the mean of its divisors is an integer number (1710954).

Almost surely, 2^3421907 is an apocalyptic number.

3421907 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421907 is an equidigital number, since it uses as much as digits as its factorization.

3421907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 3421907 is about 1849.8397227868. The cubic root of 3421907 is about 150.6917237370.

The spelling of 3421907 in words is "three million, four hundred twenty-one thousand, nine hundred seven".