6109855 has 4 divisors (see below), whose sum is σ = 7331832. Its totient is φ = 4887880.

The previous prime is 6109837. The next prime is 6109867. The reversal of 6109855 is 5589016.

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

It is not a de Polignac number, because 6109855 - 2¹³ = 6101663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6109855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610981 + ... + 610990.

It is an arithmetic number, because the mean of its divisors is an integer number (1832958).

Almost surely, 2^6109855 is an apocalyptic number.

6109855 is a deficient number, since it is larger than the sum of its proper divisors (1221977).

6109855 is a wasteful number, since it uses less digits than its factorization.

6109855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221976.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 6109855 is about 2471.8120883271. The cubic root of 6109855 is about 182.8143578110.

The spelling of 6109855 in words is "six million, one hundred nine thousand, eight hundred fifty-five".