3420827 has 2 divisors, whose sum is σ = 3420828. Its totient is φ = 3420826.

The previous prime is 3420821. The next prime is 3420829. The reversal of 3420827 is 7280243.

3420827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3420827 - 2⁶ = 3420763 is a prime.

Together with 3420829, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420796 and 3420805.

It is not a weakly prime, because it can be changed into another prime (3420821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710413 + 1710414.

It is an arithmetic number, because the mean of its divisors is an integer number (1710414).

Almost surely, 2^3420827 is an apocalyptic number.

3420827 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420827 is an equidigital number, since it uses as much as digits as its factorization.

3420827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3420827 is about 1849.5477825674. The cubic root of 3420827 is about 150.6758686220.

The spelling of 3420827 in words is "three million, four hundred twenty thousand, eight hundred twenty-seven".