3982787 has 4 divisors (see below), whose sum is σ = 4111296. Its totient is φ = 3854280.

The previous prime is 3982763. The next prime is 3982801. The reversal of 3982787 is 7872893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7872893 = 7 ⋅1124699.

It is a cyclic number.

It is not a de Polignac number, because 3982787 - 2¹⁰ = 3981763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3982747) 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, 64208 + ... + 64269.

It is an arithmetic number, because the mean of its divisors is an integer number (1027824).

Almost surely, 2^3982787 is an apocalyptic number.

3982787 is a deficient number, since it is larger than the sum of its proper divisors (128509).

3982787 is a wasteful number, since it uses less digits than its factorization.

3982787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128508.

The product of its digits is 169344, while the sum is 44.

The square root of 3982787 is about 1995.6921105221. The cubic root of 3982787 is about 158.5120783453.

The spelling of 3982787 in words is "three million, nine hundred eighty-two thousand, seven hundred eighty-seven".