3893121197 has 24 divisors (see below), whose sum is σ = 4731944832. Its totient is φ = 3187615200.

The previous prime is 3893121187. The next prime is 3893121233. The reversal of 3893121197 is 7911213983.

3893121197 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3893121197 - 2²⁰ = 3892072621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3893121107) 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 23 ways as a sum of consecutive naturals, for example, 1058672 + ... + 1062342.

It is an arithmetic number, because the mean of its divisors is an integer number (197164368).

Almost surely, 2^3893121197 is an apocalyptic number.

It is an amenable number.

3893121197 is a deficient number, since it is larger than the sum of its proper divisors (838823635).

3893121197 is a wasteful number, since it uses less digits than its factorization.

3893121197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4649 (or 4642 counting only the distinct ones).

The product of its digits is 81648, while the sum is 44.

The square root of 3893121197 is about 62394.8811762632. The cubic root of 3893121197 is about 1573.1349314071.

The spelling of 3893121197 in words is "three billion, eight hundred ninety-three million, one hundred twenty-one thousand, one hundred ninety-seven".