1801795 has 8 divisors (see below), whose sum is σ = 2175696. Its totient is φ = 1432416.

The previous prime is 1801781. The next prime is 1801817. The reversal of 1801795 is 5971081.

1801795 = 3² + 4² + ... + 175².

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 1801795 - 2¹⁷ = 1670723 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 177 + ... + 1906.

It is an arithmetic number, because the mean of its divisors is an integer number (271962).

2^1801795 is an apocalyptic number.

1801795 is a deficient number, since it is larger than the sum of its proper divisors (373901).

1801795 is a wasteful number, since it uses less digits than its factorization.

1801795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1801795 is about 1342.3095768115. The cubic root of 1801795 is about 121.6844618578.

The spelling of 1801795 in words is "one million, eight hundred one thousand, seven hundred ninety-five".