3646427 has 2 divisors, whose sum is σ = 3646428. Its totient is φ = 3646426.

The previous prime is 3646421. The next prime is 3646441. The reversal of 3646427 is 7246463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3646427 - 2⁴ = 3646411 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3646393 and 3646402.

It is not a weakly prime, because it can be changed into another prime (3646421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823213 + 1823214.

It is an arithmetic number, because the mean of its divisors is an integer number (1823214).

Almost surely, 2^3646427 is an apocalyptic number.

3646427 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646427 is an equidigital number, since it uses as much as digits as its factorization.

3646427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 3646427 is about 1909.5619916620. The cubic root of 3646427 is about 153.9179160018.

The spelling of 3646427 in words is "three million, six hundred forty-six thousand, four hundred twenty-seven".