3926972447 has 8 divisors (see below), whose sum is σ = 4079827440. Its totient is φ = 3775280320.

The previous prime is 3926972429. The next prime is 3926972453. The reversal of 3926972447 is 7442796293.

3926972447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3926972447 - 2¹⁶ = 3926906911 is a prime.

It is a super-2 number, since 2×3926972447² = 30842225198994335618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3926972047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283829 + ... + 297342.

It is an arithmetic number, because the mean of its divisors is an integer number (509978430).

Almost surely, 2^3926972447 is an apocalyptic number.

3926972447 is a deficient number, since it is larger than the sum of its proper divisors (152854993).

3926972447 is a wasteful number, since it uses less digits than its factorization.

3926972447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581433.

The product of its digits is 4572288, while the sum is 53.

The square root of 3926972447 is about 62665.5602943116. The cubic root of 3926972447 is about 1577.6813245759.

The spelling of 3926972447 in words is "three billion, nine hundred twenty-six million, nine hundred seventy-two thousand, four hundred forty-seven".