2583985 has 8 divisors (see below), whose sum is σ = 3113856. Its totient is φ = 2058480.

The previous prime is 2583979. The next prime is 2584007. The reversal of 2583985 is 5893852.

2583985 = T₁₃₁₁ + T₁₃₁₂ + T₁₃₁₃.

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

It is not a de Polignac number, because 2583985 - 2⁷ = 2583857 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, 402 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (389232).

2^2583985 is an apocalyptic number.

2583985 is the 1313-rd centered triangular number.

It is an amenable number.

2583985 is a deficient number, since it is larger than the sum of its proper divisors (529871).

2583985 is a wasteful number, since it uses less digits than its factorization.

2583985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its digits is 86400, while the sum is 40.

The square root of 2583985 is about 1607.4778381054. The cubic root of 2583985 is about 137.2239751895.

The spelling of 2583985 in words is "two million, five hundred eighty-three thousand, nine hundred eighty-five".