3893442321 has 8 divisors (see below), whose sum is σ = 5191906720. Its totient is φ = 2595303072.

The previous prime is 3893442313. The next prime is 3893442347. The reversal of 3893442321 is 1232443983.

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

It is not a de Polignac number, because 3893442321 - 2³ = 3893442313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3893442321.

It is not an unprimeable number, because it can be changed into a prime (3893442121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51820 + ... + 102333.

It is an arithmetic number, because the mean of its divisors is an integer number (648988340).

Almost surely, 2^3893442321 is an apocalyptic number.

It is an amenable number.

3893442321 is a deficient number, since it is larger than the sum of its proper divisors (1298464399).

3893442321 is a wasteful number, since it uses less digits than its factorization.

3893442321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162575.

The product of its digits is 124416, while the sum is 39.

The square root of 3893442321 is about 62397.4544432704. The cubic root of 3893442321 is about 1573.1781835492.

The spelling of 3893442321 in words is "three billion, eight hundred ninety-three million, four hundred forty-two thousand, three hundred twenty-one".