3146909 has 2 divisors, whose sum is σ = 3146910. Its totient is φ = 3146908.

The previous prime is 3146879. The next prime is 3146911. The reversal of 3146909 is 9096413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3115225 + 31684 = 1765^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 3146909 - 2¹² = 3142813 is a prime.

Together with 3146911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3146809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573454 + 1573455.

It is an arithmetic number, because the mean of its divisors is an integer number (1573455).

Almost surely, 2^3146909 is an apocalyptic number.

It is an amenable number.

3146909 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146909 is an equidigital number, since it uses as much as digits as its factorization.

3146909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 3146909 is about 1773.9529306044. The cubic root of 3146909 is about 146.5417571719.

The spelling of 3146909 in words is "three million, one hundred forty-six thousand, nine hundred nine".