3630206938 has 16 divisors (see below), whose sum is σ = 5509523880. Its totient is φ = 1793721600.

The previous prime is 3630206933. The next prime is 3630206947. The reversal of 3630206938 is 8396020363.

3630206938 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 4 ways, for example, as 3008851609 + 621355329 = 54853^2 + 24927^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3630206938.

It is not an unprimeable number, because it can be changed into a prime (3630206933) 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, 401548 + ... + 410488.

Almost surely, 2^3630206938 is an apocalyptic number.

3630206938 is a deficient number, since it is larger than the sum of its proper divisors (1879316942).

3630206938 is a wasteful number, since it uses less digits than its factorization.

3630206938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11313.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 3630206938 is about 60251.1986436785. The cubic root of 3630206938 is about 1536.8935719148.

The spelling of 3630206938 in words is "three billion, six hundred thirty million, two hundred six thousand, nine hundred thirty-eight".