3982723625 has 8 divisors (see below), whose sum is σ = 4970439240. Its totient is φ = 3186178800.

The previous prime is 3982723621. The next prime is 3982723651. The reversal of 3982723625 is 5263272893.

3982723625 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 910349584 + 3072374041 = 30172^2 + 55429^2 .

It is not a de Polignac number, because 3982723625 - 2² = 3982723621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3982723625.

It is not an unprimeable number, because it can be changed into a prime (3982723621) 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, 15930770 + ... + 15931019.

It is an arithmetic number, because the mean of its divisors is an integer number (621304905).

Almost surely, 2^3982723625 is an apocalyptic number.

It is an amenable number.

3982723625 is a deficient number, since it is larger than the sum of its proper divisors (987715615).

3982723625 is an equidigital number, since it uses as much as digits as its factorization.

3982723625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31861804 (or 31861794 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 3982723625 is about 63108.8236699116. The cubic root of 3982723625 is about 1585.1123758091.

The spelling of 3982723625 in words is "three billion, nine hundred eighty-two million, seven hundred twenty-three thousand, six hundred twenty-five".