3146839 has 2 divisors, whose sum is σ = 3146840. Its totient is φ = 3146838.

The previous prime is 3146833. The next prime is 3146861. The reversal of 3146839 is 9386413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3146839 - 2³ = 3146831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3146831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1573419 + 1573420.

It is an arithmetic number, because the mean of its divisors is an integer number (1573420).

Almost surely, 2^3146839 is an apocalyptic number.

3146839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3146839 is an equidigital number, since it uses as much as digits as its factorization.

3146839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 3146839 is about 1773.9332005462. The cubic root of 3146839 is about 146.5406706031.

The spelling of 3146839 in words is "three million, one hundred forty-six thousand, eight hundred thirty-nine".