8001889 has 8 divisors (see below), whose sum is σ = 9218048. Its totient is φ = 6804000.

The previous prime is 8001871. The next prime is 8001893. The reversal of 8001889 is 9881008.

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

It is not a de Polignac number, because 8001889 - 2⁵ = 8001857 is a prime.

It is a super-3 number, since 3×8001889³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8001839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3612 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (1152256).

Almost surely, 2^8001889 is an apocalyptic number.

It is an amenable number.

8001889 is a deficient number, since it is larger than the sum of its proper divisors (1216159).

8001889 is a wasteful number, since it uses less digits than its factorization.

8001889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 8001889 is about 2828.7610362136. The cubic root of 8001889 is about 200.0157404278.

It can be divided in two parts, 8001 and 889, that multiplied together give a square (7112889 = 2667²).

The spelling of 8001889 in words is "eight million, one thousand, eight hundred eighty-nine".