3972379444 has 12 divisors (see below), whose sum is σ = 7583633568. Its totient is φ = 1805627000.

The previous prime is 3972379421. The next prime is 3972379447. The reversal of 3972379444 is 4449732793.

It is a super-3 number, since 3×3972379444³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3972379391 and 3972379400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3972379447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45140632 + ... + 45140719.

It is an arithmetic number, because the mean of its divisors is an integer number (631969464).

Almost surely, 2^3972379444 is an apocalyptic number.

It is an amenable number.

3972379444 is a deficient number, since it is larger than the sum of its proper divisors (3611254124).

3972379444 is a wasteful number, since it uses less digits than its factorization.

3972379444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90281366 (or 90281364 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 52.

The square root of 3972379444 is about 63026.8152773088. The cubic root of 3972379444 is about 1583.7388680549.

The spelling of 3972379444 in words is "three billion, nine hundred seventy-two million, three hundred seventy-nine thousand, four hundred forty-four".