1806195 has 8 divisors (see below), whose sum is σ = 2889936. Its totient is φ = 963296.

The previous prime is 1806193. The next prime is 1806209. The reversal of 1806195 is 5916081.

It is a happy number.

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 1806195 - 2¹ = 1806193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1806191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60192 + ... + 60221.

It is an arithmetic number, because the mean of its divisors is an integer number (361242).

2^1806195 is an apocalyptic number.

1806195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1806195 is a deficient number, since it is larger than the sum of its proper divisors (1083741).

1806195 is a wasteful number, since it uses less digits than its factorization.

1806195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120421.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1806195 is about 1343.9475436192. The cubic root of 1806195 is about 121.7834328647.

The spelling of 1806195 in words is "one million, eight hundred six thousand, one hundred ninety-five".