3939472 has 10 divisors (see below), whose sum is σ = 7632758. Its totient is φ = 1969728.

The previous prime is 3939469. The next prime is 3939473. The reversal of 3939472 is 2749393.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1430416 = 1584^2 + 1196^2 .

It is not an unprimeable number, because it can be changed into a prime (3939473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123093 + ... + 123124.

Almost surely, 2^3939472 is an apocalyptic number.

It is an amenable number.

3939472 is a deficient number, since it is larger than the sum of its proper divisors (3693286).

3939472 is a wasteful number, since it uses less digits than its factorization.

3939472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246225 (or 246219 counting only the distinct ones).

The product of its digits is 40824, while the sum is 37.

The square root of 3939472 is about 1984.8103183932. The cubic root of 3939472 is about 157.9353471526.

The spelling of 3939472 in words is "three million, nine hundred thirty-nine thousand, four hundred seventy-two".