3939412 has 6 divisors (see below), whose sum is σ = 6893978. Its totient is φ = 1969704.

The previous prime is 3939379. The next prime is 3939421. The reversal of 3939412 is 2149393.

It can be written as a sum of positive squares in only one way, i.e., 3370896 + 568516 = 1836^2 + 754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492423 + ... + 492430.

Almost surely, 2^3939412 is an apocalyptic number.

It is an amenable number.

3939412 is a deficient number, since it is larger than the sum of its proper divisors (2954566).

3939412 is a wasteful number, since it uses less digits than its factorization.

3939412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984857 (or 984855 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 3939412 is about 1984.7952035412. The cubic root of 3939412 is about 157.9345453388.

The spelling of 3939412 in words is "three million, nine hundred thirty-nine thousand, four hundred twelve".