3809724644 has 12 divisors (see below), whose sum is σ = 7273110768. Its totient is φ = 1731693000.

The previous prime is 3809724643. The next prime is 3809724689. The reversal of 3809724644 is 4464279083.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3809724643) 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, 43292282 + ... + 43292369.

It is an arithmetic number, because the mean of its divisors is an integer number (606092564).

Almost surely, 2^3809724644 is an apocalyptic number.

It is an amenable number.

3809724644 is a deficient number, since it is larger than the sum of its proper divisors (3463386124).

3809724644 is a wasteful number, since it uses less digits than its factorization.

3809724644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86584666 (or 86584664 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 3809724644 is about 61722.9669085989. The cubic root of 3809724644 is about 1561.8207761761.

The spelling of 3809724644 in words is "three billion, eight hundred nine million, seven hundred twenty-four thousand, six hundred forty-four".