2084865 has 16 divisors (see below), whose sum is σ = 3364416. Its totient is φ = 1102400.

The previous prime is 2084833. The next prime is 2084899. The reversal of 2084865 is 5684802.

It is not a de Polignac number, because 2084865 - 2⁵ = 2084833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (210276).

It is a Proth number, since it is equal to 509 ⋅ 2¹² + 1 and 509 < 2¹².

2^2084865 is an apocalyptic number.

It is an amenable number.

2084865 is a deficient number, since it is larger than the sum of its proper divisors (1279551).

2084865 is a wasteful number, since it uses less digits than its factorization.

2084865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 2084865 is about 1443.9061603858. The cubic root of 2084865 is about 127.7495305480.

Adding to 2084865 its product of nonzero digits (15360), we get a triangular number (2100225 = T₂₀₄₉).

The spelling of 2084865 in words is "two million, eighty-four thousand, eight hundred sixty-five".