3146939 has 4 divisors (see below), whose sum is σ = 3175920. Its totient is φ = 3117960.

The previous prime is 3146911. The next prime is 3146953. The reversal of 3146939 is 9396413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3146939 - 2²⁰ = 2098363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3146899 and 3146908.

It is not an unprimeable number, because it can be changed into a prime (3146909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14327 + ... + 14544.

It is an arithmetic number, because the mean of its divisors is an integer number (793980).

Almost surely, 2^3146939 is an apocalyptic number.

3146939 is a deficient number, since it is larger than the sum of its proper divisors (28981).

3146939 is a wasteful number, since it uses less digits than its factorization.

3146939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28980.

The product of its digits is 17496, while the sum is 35.

The square root of 3146939 is about 1773.9613862765. The cubic root of 3146939 is about 146.5422228393.

The spelling of 3146939 in words is "three million, one hundred forty-six thousand, nine hundred thirty-nine".