3987758 has 16 divisors (see below), whose sum is σ = 6667920. Its totient is φ = 1777536.

The previous prime is 3987757. The next prime is 3987769. The reversal of 3987758 is 8577893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3987757) 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 7 ways as a sum of consecutive naturals, for example, 2441 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (416745).

Almost surely, 2^3987758 is an apocalyptic number.

3987758 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3987758 is a deficient number, since it is larger than the sum of its proper divisors (2680162).

3987758 is a wasteful number, since it uses less digits than its factorization.

3987758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6211.

The product of its digits is 423360, while the sum is 47.

The square root of 3987758 is about 1996.9371547447. The cubic root of 3987758 is about 158.5779983442.

The spelling of 3987758 in words is "three million, nine hundred eighty-seven thousand, seven hundred fifty-eight".