6009845 has 4 divisors (see below), whose sum is σ = 7211820. Its totient is φ = 4807872.

The previous prime is 6009841. The next prime is 6009851. The reversal of 6009845 is 5489006.

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 4165681 + 1844164 = 2041^2 + 1358^2 .

It is a cyclic number.

It is not a de Polignac number, because 6009845 - 2² = 6009841 is a prime.

It is a super-2 number, since 2×6009845² = 72236473848050, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6009841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600980 + ... + 600989.

It is an arithmetic number, because the mean of its divisors is an integer number (1802955).

Almost surely, 2^6009845 is an apocalyptic number.

It is an amenable number.

6009845 is a deficient number, since it is larger than the sum of its proper divisors (1201975).

6009845 is a wasteful number, since it uses less digits than its factorization.

6009845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201974.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6009845 is about 2451.4985213130. The cubic root of 6009845 is about 181.8113913752.

The spelling of 6009845 in words is "six million, nine thousand, eight hundred forty-five".