3962755636 has 18 divisors (see below), whose sum is σ = 8067038658. Its totient is φ = 1698323760.

The previous prime is 3962755619. The next prime is 3962755639. The reversal of 3962755636 is 6365572693.

It is a happy number.

3962755636 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 only one way, i.e., 2762133136 + 1200622500 = 52556^2 + 34650^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3962755639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10108875 + ... + 10109266.

Almost surely, 2^3962755636 is an apocalyptic number.

It is an amenable number.

3962755636 is an abundant number, since it is smaller than the sum of its proper divisors (4104283022).

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

3962755636 is a wasteful number, since it uses less digits than its factorization.

3962755636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20218159 (or 20218150 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 52.

The square root of 3962755636 is about 62950.4220478306. The cubic root of 3962755636 is about 1582.4588691603.

The spelling of 3962755636 in words is "three billion, nine hundred sixty-two million, seven hundred fifty-five thousand, six hundred thirty-six".