6181489 has 8 divisors (see below), whose sum is σ = 6657120. Its totient is φ = 5718336.

The previous prime is 6181477. The next prime is 6181531. The reversal of 6181489 is 9841816.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6181489 - 2⁷ = 6181361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6181589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2079 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (832140).

Almost surely, 2^6181489 is an apocalyptic number.

It is an amenable number.

6181489 is a deficient number, since it is larger than the sum of its proper divisors (475631).

6181489 is a wasteful number, since it uses less digits than its factorization.

6181489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239.

The product of its digits is 13824, while the sum is 37.

The square root of 6181489 is about 2486.2600427148. The cubic root of 6181489 is about 183.5260427268.

It can be divided in two parts, 6181 and 489, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 6181489 in words is "six million, one hundred eighty-one thousand, four hundred eighty-nine".