8041989 has 16 divisors (see below), whose sum is σ = 11331584. Its totient is φ = 5065200.

The previous prime is 8041967. The next prime is 8041991. The reversal of 8041989 is 9891408.

It is not a de Polignac number, because 8041989 - 2⁷ = 8041861 is a prime.

It is a super-2 number, since 2×8041989² = 129347174152242, which contains 22 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 (8041589) 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, 2994 + ... + 5004.

It is an arithmetic number, because the mean of its divisors is an integer number (708224).

Almost surely, 2^8041989 is an apocalyptic number.

It is an amenable number.

8041989 is a deficient number, since it is larger than the sum of its proper divisors (3289595).

8041989 is a wasteful number, since it uses less digits than its factorization.

8041989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2088.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 8041989 is about 2835.8400871699. The cubic root of 8041989 is about 200.3492979330.

It can be divided in two parts, 80419 and 89, that added together give a palindrome (80508).

The spelling of 8041989 in words is "eight million, forty-one thousand, nine hundred eighty-nine".