3982593640 has 16 divisors (see below), whose sum is σ = 8960835780. Its totient is φ = 1593037440.

The previous prime is 3982593617. The next prime is 3982593647. The reversal of 3982593640 is 463952893.

3982593640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3923519044 + 59074596 = 62638^2 + 7686^2 .

It is a super-2 number, since 2×3982593640² = 31722104202736899200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3982593647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49782381 + ... + 49782460.

Almost surely, 2^3982593640 is an apocalyptic number.

It is an amenable number.

3982593640 is an abundant number, since it is smaller than the sum of its proper divisors (4978242140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3982593640 is a wasteful number, since it uses less digits than its factorization.

3982593640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99564852 (or 99564848 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 3982593640 is about 63107.7938134427. The cubic root of 3982593640 is about 1585.0951310713.

The spelling of 3982593640 in words is "three billion, nine hundred eighty-two million, five hundred ninety-three thousand, six hundred forty".