3679987 has 4 divisors (see below), whose sum is σ = 3683880. Its totient is φ = 3676096.

The previous prime is 3679969. The next prime is 3679993. The reversal of 3679987 is 7899763.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3679987 - 2¹⁹ = 3155699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3679987.

It is not an unprimeable number, because it can be changed into a prime (3679967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 483 + ... + 2755.

It is an arithmetic number, because the mean of its divisors is an integer number (920970).

Almost surely, 2^3679987 is an apocalyptic number.

3679987 is a deficient number, since it is larger than the sum of its proper divisors (3893).

3679987 is a wasteful number, since it uses less digits than its factorization.

3679987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892.

The product of its digits is 571536, while the sum is 49.

The square root of 3679987 is about 1918.3292209629. The cubic root of 3679987 is about 154.3886707886.

The spelling of 3679987 in words is "three million, six hundred seventy-nine thousand, nine hundred eighty-seven".