3721838867 has 16 divisors (see below), whose sum is σ = 3828529152. Its totient is φ = 3616416960.

The previous prime is 3721838833. The next prime is 3721838893. The reversal of 3721838867 is 7688381273.

It is a cyclic number.

It is not a de Polignac number, because 3721838867 - 2⁶ = 3721838803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3721838467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6340148 + ... + 6340734.

It is an arithmetic number, because the mean of its divisors is an integer number (239283072).

Almost surely, 2^3721838867 is an apocalyptic number.

3721838867 is a deficient number, since it is larger than the sum of its proper divisors (106690285).

3721838867 is a wasteful number, since it uses less digits than its factorization.

3721838867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378.

The product of its digits is 2709504, while the sum is 53.

The square root of 3721838867 is about 61006.8755715288. The cubic root of 3721838867 is about 1549.7174465186.

The spelling of 3721838867 in words is "three billion, seven hundred twenty-one million, eight hundred thirty-eight thousand, eight hundred sixty-seven".