3987735 has 16 divisors (see below), whose sum is σ = 6459264. Its totient is φ = 2100512.

The previous prime is 3987733. The next prime is 3987757. The reversal of 3987735 is 5377893.

It is a cyclic number.

It is not a de Polignac number, because 3987735 - 2¹ = 3987733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (403704).

Almost surely, 2^3987735 is an apocalyptic number.

3987735 is a deficient number, since it is larger than the sum of its proper divisors (2471529).

3987735 is a wasteful number, since it uses less digits than its factorization.

3987735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its digits is 158760, while the sum is 42.

The square root of 3987735 is about 1996.9313959172. The cubic root of 3987735 is about 158.5776934694.

The spelling of 3987735 in words is "three million, nine hundred eighty-seven thousand, seven hundred thirty-five".