2030865 has 8 divisors (see below), whose sum is σ = 3249408. Its totient is φ = 1083120.

The previous prime is 2030789. The next prime is 2030879. The reversal of 2030865 is 5680302.

2030865 = T₄₆₆ + T₄₆₇ + ... + T₄₈₃.

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

It is not a de Polignac number, because 2030865 - 2⁷ = 2030737 is a prime.

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, 67681 + ... + 67710.

It is an arithmetic number, because the mean of its divisors is an integer number (406176).

2^2030865 is an apocalyptic number.

It is an amenable number.

2030865 is a deficient number, since it is larger than the sum of its proper divisors (1218543).

2030865 is a wasteful number, since it uses less digits than its factorization.

2030865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135399.

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

The square root of 2030865 is about 1425.0842080382. The cubic root of 2030865 is about 126.6369236105.

The spelling of 2030865 in words is "two million, thirty thousand, eight hundred sixty-five".