6189745 has 4 divisors (see below), whose sum is σ = 7427700. Its totient is φ = 4951792.

The previous prime is 6189727. The next prime is 6189769. The reversal of 6189745 is 5479816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 3272481 = 1708^2 + 1809^2 .

It is a cyclic number.

It is not a de Polignac number, because 6189745 - 2⁵ = 6189713 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6189698 and 6189707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618970 + ... + 618979.

It is an arithmetic number, because the mean of its divisors is an integer number (1856925).

Almost surely, 2^6189745 is an apocalyptic number.

It is an amenable number.

6189745 is a deficient number, since it is larger than the sum of its proper divisors (1237955).

6189745 is a wasteful number, since it uses less digits than its factorization.

6189745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237954.

The product of its digits is 60480, while the sum is 40.

The square root of 6189745 is about 2487.9198138204. The cubic root of 6189745 is about 183.6077122051.

The spelling of 6189745 in words is "six million, one hundred eighty-nine thousand, seven hundred forty-five".