8101389 has 4 divisors (see below), whose sum is σ = 10801856. Its totient is φ = 5400924.

The previous prime is 8101369. The next prime is 8101393. The reversal of 8101389 is 9831018.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8101389 - 2⁸ = 8101133 is a prime.

It is a super-3 number, since 3×8101389³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8101319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350229 + ... + 1350234.

It is an arithmetic number, because the mean of its divisors is an integer number (2700464).

Almost surely, 2^8101389 is an apocalyptic number.

It is an amenable number.

8101389 is a deficient number, since it is larger than the sum of its proper divisors (2700467).

8101389 is a wasteful number, since it uses less digits than its factorization.

8101389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700466.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 8101389 is about 2846.2939061172. The cubic root of 8101389 is about 200.8413639039.

The spelling of 8101389 in words is "eight million, one hundred one thousand, three hundred eighty-nine".