3872585 has 8 divisors (see below), whose sum is σ = 4723656. Its totient is φ = 3047040.

The previous prime is 3872567. The next prime is 3872587. The reversal of 3872585 is 5852783.

It can be written as a sum of positive squares in 4 ways, for example, as 73984 + 3798601 = 272^2 + 1949^2 .

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

It is not a de Polignac number, because 3872585 - 2⁶ = 3872521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3872587) 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, 6044 + ... + 6653.

It is an arithmetic number, because the mean of its divisors is an integer number (590457).

Almost surely, 2^3872585 is an apocalyptic number.

It is an amenable number.

3872585 is a deficient number, since it is larger than the sum of its proper divisors (851071).

3872585 is a wasteful number, since it uses less digits than its factorization.

3872585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12763.

The product of its digits is 67200, while the sum is 38.

The square root of 3872585 is about 1967.8884622864. Note that the first 3 decimals coincide. The cubic root of 3872585 is about 157.0363960138.

The spelling of 3872585 in words is "three million, eight hundred seventy-two thousand, five hundred eighty-five".