2041665 has 8 divisors (see below), whose sum is σ = 3266688. Its totient is φ = 1088880.

The previous prime is 2041661. The next prime is 2041681. The reversal of 2041665 is 5661402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2041665 - 2² = 2041661 is a prime.

2041665 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2041661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68041 + ... + 68070.

It is an arithmetic number, because the mean of its divisors is an integer number (408336).

2^2041665 is an apocalyptic number.

It is an amenable number.

2041665 is a deficient number, since it is larger than the sum of its proper divisors (1225023).

2041665 is a wasteful number, since it uses less digits than its factorization.

2041665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136119.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2041665 is about 1428.8684334116. The cubic root of 2041665 is about 126.8610089970.

The spelling of 2041665 in words is "two million, forty-one thousand, six hundred sixty-five".