3939284 has 12 divisors (see below), whose sum is σ = 6933108. Its totient is φ = 1958400.

The previous prime is 3939277. The next prime is 3939337. The reversal of 3939284 is 4829393.

It can be written as a sum of positive squares in 2 ways, for example, as 1123600 + 2815684 = 1060^2 + 1678^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 3444.

It is an arithmetic number, because the mean of its divisors is an integer number (577759).

Almost surely, 2^3939284 is an apocalyptic number.

It is an amenable number.

3939284 is a deficient number, since it is larger than the sum of its proper divisors (2993824).

3939284 is a wasteful number, since it uses less digits than its factorization.

3939284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626 (or 5624 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 3939284 is about 1984.7629581388. The cubic root of 3939284 is about 157.9328347755.

The spelling of 3939284 in words is "three million, nine hundred thirty-nine thousand, two hundred eighty-four".