6109805 has 8 divisors (see below), whose sum is σ = 7895832. Its totient is φ = 4511808.

The previous prime is 6109799. The next prime is 6109813. The reversal of 6109805 is 5089016.

It can be written as a sum of positive squares in 4 ways, for example, as 1190281 + 4919524 = 1091^2 + 2218^2 .

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 6109805 - 2¹² = 6105709 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 46934 + ... + 47063.

It is an arithmetic number, because the mean of its divisors is an integer number (986979).

Almost surely, 2^6109805 is an apocalyptic number.

6109805 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6109805 is a deficient number, since it is larger than the sum of its proper divisors (1786027).

6109805 is a wasteful number, since it uses less digits than its factorization.

6109805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94015.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 6109805 is about 2471.8019742690. The cubic root of 6109805 is about 182.8138591225.

The spelling of 6109805 in words is "six million, one hundred nine thousand, eight hundred five".