3999587 has 8 divisors (see below), whose sum is σ = 4099440. Its totient is φ = 3900960.

The previous prime is 3999581. The next prime is 3999599. The reversal of 3999587 is 7859993.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3999587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3999581) 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, 10364 + ... + 10742.

It is an arithmetic number, because the mean of its divisors is an integer number (512430).

Almost surely, 2^3999587 is an apocalyptic number.

3999587 is a deficient number, since it is larger than the sum of its proper divisors (99853).

3999587 is a wasteful number, since it uses less digits than its factorization.

3999587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its digits is 612360, while the sum is 50.

The square root of 3999587 is about 1999.8967473347. The cubic root of 3999587 is about 158.7346417035.

The spelling of 3999587 in words is "three million, nine hundred ninety-nine thousand, five hundred eighty-seven".