3939286 has 16 divisors (see below), whose sum is σ = 6418944. Its totient is φ = 1802304.

The previous prime is 3939277. The next prime is 3939337. The reversal of 3939286 is 6829393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 3898.

It is an arithmetic number, because the mean of its divisors is an integer number (401184).

Almost surely, 2^3939286 is an apocalyptic number.

3939286 is a deficient number, since it is larger than the sum of its proper divisors (2479658).

3939286 is a wasteful number, since it uses less digits than its factorization.

3939286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 69984, while the sum is 40.

The square root of 3939286 is about 1984.7634619773. The cubic root of 3939286 is about 157.9328615034.

It can be divided in two parts, 3939 and 286, that added together give a square (4225 = 65²).

The spelling of 3939286 in words is "three million, nine hundred thirty-nine thousand, two hundred eighty-six".