3406387 has 2 divisors, whose sum is σ = 3406388. Its totient is φ = 3406386.

The previous prime is 3406343. The next prime is 3406391. The reversal of 3406387 is 7836043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3406387 - 2⁷ = 3406259 is a prime.

It is not a weakly prime, because it can be changed into another prime (3406087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1703193 + 1703194.

It is an arithmetic number, because the mean of its divisors is an integer number (1703194).

Almost surely, 2^3406387 is an apocalyptic number.

3406387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3406387 is an equidigital number, since it uses as much as digits as its factorization.

3406387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3406387 is about 1845.6399973993. The cubic root of 3406387 is about 150.4635585401.

The spelling of 3406387 in words is "three million, four hundred six thousand, three hundred eighty-seven".