3985115893 has 16 divisors (see below), whose sum is σ = 4435824960. Its totient is φ = 3549888000.

The previous prime is 3985115891. The next prime is 3985115899.

3985115893 is nontrivially palindromic in base 10.

3985115893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3985115893 - 2¹ = 3985115891 is a prime.

It is a super-2 number, since 2×3985115893² = 31762297361282374898, which contains 22 as substring.

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 3985115893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3985115891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89278 + ... + 126256.

It is an arithmetic number, because the mean of its divisors is an integer number (277239060).

Almost surely, 2^3985115893 is an apocalyptic number.

It is an amenable number.

3985115893 is a deficient number, since it is larger than the sum of its proper divisors (450709067).

3985115893 is a wasteful number, since it uses less digits than its factorization.

3985115893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37188.

The product of its digits is 1166400, while the sum is 52.

The square root of 3985115893 is about 63127.7743390340. The cubic root of 3985115893 is about 1585.4296841793.

It can be divided in two parts, 398511 and 5893, that added together give a palindrome (404404).

The spelling of 3985115893 in words is "three billion, nine hundred eighty-five million, one hundred fifteen thousand, eight hundred ninety-three".