3997585 has 8 divisors (see below), whose sum is σ = 4899456. Its totient is φ = 3129840.

The previous prime is 3997583. The next prime is 3997597. The reversal of 3997585 is 5857993.

3997585 = T₁₆₃₁ + T₁₆₃₂ + T₁₆₃₃.

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

It is not a de Polignac number, because 3997585 - 2¹ = 3997583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3997583) 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, 8271 + ... + 8740.

It is an arithmetic number, because the mean of its divisors is an integer number (612432).

Almost surely, 2^3997585 is an apocalyptic number.

3997585 is the 1633-rd centered triangular number.

It is an amenable number.

3997585 is a deficient number, since it is larger than the sum of its proper divisors (901871).

3997585 is a wasteful number, since it uses less digits than its factorization.

3997585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063.

The product of its digits is 340200, while the sum is 46.

The square root of 3997585 is about 1999.3961588440. The cubic root of 3997585 is about 158.7081523193.

The spelling of 3997585 in words is "three million, nine hundred ninety-seven thousand, five hundred eighty-five".