2059865 has 8 divisors (see below), whose sum is σ = 2480640. Its totient is φ = 1642032.

The previous prime is 2059861. The next prime is 2059879. The reversal of 2059865 is 5689502.

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 2059865 - 2² = 2059861 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2059861) 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, 1352 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (310080).

2^2059865 is an apocalyptic number.

It is an amenable number.

2059865 is a deficient number, since it is larger than the sum of its proper divisors (420775).

2059865 is a wasteful number, since it uses less digits than its factorization.

2059865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 2059865 is about 1435.2229791917. Note that the first 3 decimals coincide. The cubic root of 2059865 is about 127.2368531390.

The spelling of 2059865 in words is "two million, fifty-nine thousand, eight hundred sixty-five".