3716987 has 4 divisors (see below), whose sum is σ = 3736440. Its totient is φ = 3697536.

The previous prime is 3716981. The next prime is 3717011. The reversal of 3716987 is 7896173.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7896173 = 139 ⋅56807.

It is a cyclic number.

It is not a de Polignac number, because 3716987 - 2⁴ = 3716971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3716981) 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, 9437 + ... + 9822.

It is an arithmetic number, because the mean of its divisors is an integer number (934110).

Almost surely, 2^3716987 is an apocalyptic number.

3716987 is a deficient number, since it is larger than the sum of its proper divisors (19453).

3716987 is a wasteful number, since it uses less digits than its factorization.

3716987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19452.

The product of its digits is 63504, while the sum is 41.

The square root of 3716987 is about 1927.9489101115. The cubic root of 3716987 is about 154.9043738987.

The spelling of 3716987 in words is "three million, seven hundred sixteen thousand, nine hundred eighty-seven".