3841893993 has 32 divisors (see below), whose sum is σ = 6249277440. Its totient is φ = 2050513920.

The previous prime is 3841893989. The next prime is 3841894037. The reversal of 3841893993 is 3993981483.

It is not a de Polignac number, because 3841893993 - 2² = 3841893989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3841893943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39480 + ... + 96137.

It is an arithmetic number, because the mean of its divisors is an integer number (195289920).

Almost surely, 2^3841893993 is an apocalyptic number.

It is an amenable number.

3841893993 is a deficient number, since it is larger than the sum of its proper divisors (2407383447).

3841893993 is a wasteful number, since it uses less digits than its factorization.

3841893993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135717.

The product of its digits is 5038848, while the sum is 57.

The square root of 3841893993 is about 61983.0137457029. The cubic root of 3841893993 is about 1566.2044701201.

The spelling of 3841893993 in words is "three billion, eight hundred forty-one million, eight hundred ninety-three thousand, nine hundred ninety-three".