2939986 has 16 divisors (see below), whose sum is σ = 5062464. Its totient is φ = 1254384.

The previous prime is 2939977. The next prime is 2939999. The reversal of 2939986 is 6899392.

It is a happy number.

2939986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 4941 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (316404).

2^2939986 is an apocalyptic number.

2939986 is a deficient number, since it is larger than the sum of its proper divisors (2122478).

2939986 is a wasteful number, since it uses less digits than its factorization.

2939986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945.

The product of its digits is 209952, while the sum is 46.

The square root of 2939986 is about 1714.6387374605. The cubic root of 2939986 is about 143.2567477407.

The spelling of 2939986 in words is "two million, nine hundred thirty-nine thousand, nine hundred eighty-six".