3972448 has 12 divisors (see below), whose sum is σ = 7820820. Its totient is φ = 1986208.

The previous prime is 3972439. The next prime is 3972467. The reversal of 3972448 is 8442793.

It is a happy number.

3972448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3972448² = 31560686225408, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 62038 + ... + 62101.

It is an arithmetic number, because the mean of its divisors is an integer number (651735).

Almost surely, 2^3972448 is an apocalyptic number.

It is an amenable number.

3972448 is a deficient number, since it is larger than the sum of its proper divisors (3848372).

3972448 is a wasteful number, since it uses less digits than its factorization.

3972448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124149 (or 124141 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 3972448 is about 1993.1000978375. The cubic root of 3972448 is about 158.3747978814.

The spelling of 3972448 in words is "three million, nine hundred seventy-two thousand, four hundred forty-eight".