6189945 has 8 divisors (see below), whose sum is σ = 9903936. Its totient is φ = 3301296.

The previous prime is 6189917. The next prime is 6189961. The reversal of 6189945 is 5499816.

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

It is not a de Polignac number, because 6189945 - 2⁵ = 6189913 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6189897 and 6189906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206317 + ... + 206346.

It is an arithmetic number, because the mean of its divisors is an integer number (1237992).

Almost surely, 2^6189945 is an apocalyptic number.

It is an amenable number.

6189945 is a deficient number, since it is larger than the sum of its proper divisors (3713991).

6189945 is a wasteful number, since it uses less digits than its factorization.

6189945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412671.

The product of its digits is 77760, while the sum is 42.

The square root of 6189945 is about 2487.9600077172. The cubic root of 6189945 is about 183.6096897312.

The spelling of 6189945 in words is "six million, one hundred eighty-nine thousand, nine hundred forty-five".