3728941865 has 8 divisors (see below), whose sum is σ = 4881523968. Its totient is φ = 2711957680.

The previous prime is 3728941837. The next prime is 3728941873. The reversal of 3728941865 is 5681498273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3728941865 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33899417 + ... + 33899526.

It is an arithmetic number, because the mean of its divisors is an integer number (610190496).

Almost surely, 2^3728941865 is an apocalyptic number.

It is an amenable number.

3728941865 is a deficient number, since it is larger than the sum of its proper divisors (1152582103).

3728941865 is a wasteful number, since it uses less digits than its factorization.

3728941865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67798959.

The product of its digits is 2903040, while the sum is 53.

The square root of 3728941865 is about 61065.0625562604. The cubic root of 3728941865 is about 1550.7026803566.

The spelling of 3728941865 in words is "three billion, seven hundred twenty-eight million, nine hundred forty-one thousand, eight hundred sixty-five".