3909605736 has 64 divisors (see below), whose sum is σ = 10524427200. Its totient is φ = 1205746688.

The previous prime is 3909605731. The next prime is 3909605743. The reversal of 3909605736 is 6375069093.

It is a happy number.

3909605736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3909605731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57135 + ... + 105278.

It is an arithmetic number, because the mean of its divisors is an integer number (164444175).

Almost surely, 2^3909605736 is an apocalyptic number.

It is an amenable number.

3909605736 is an abundant number, since it is smaller than the sum of its proper divisors (6614821464).

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

3909605736 is a wasteful number, since it uses less digits than its factorization.

3909605736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162498 (or 162494 counting only the distinct ones).

The product of its (nonzero) digits is 918540, while the sum is 48.

The square root of 3909605736 is about 62526.8401248616. The cubic root of 3909605736 is about 1575.3521659471.

The spelling of 3909605736 in words is "three billion, nine hundred nine million, six hundred five thousand, seven hundred thirty-six".