2939906 has 16 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 1386528.

The previous prime is 2939899. The next prime is 2939917. The reversal of 2939906 is 6099392.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2939906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

2^2939906 is an apocalyptic number.

2939906 is a deficient number, since it is larger than the sum of its proper divisors (1725694).

2939906 is a wasteful number, since it uses less digits than its factorization.

2939906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2939906 is about 1714.6154087725. The cubic root of 2939906 is about 143.2554483418.

The spelling of 2939906 in words is "two million, nine hundred thirty-nine thousand, nine hundred six".