3986788 has 24 divisors (see below), whose sum is σ = 7692608. Its totient is φ = 1796256.

The previous prime is 3986783. The next prime is 3986803. The reversal of 3986788 is 8876893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3986783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1345 + ... + 3127.

Almost surely, 2^3986788 is an apocalyptic number.

It is an amenable number.

3986788 is a deficient number, since it is larger than the sum of its proper divisors (3705820).

3986788 is a wasteful number, since it uses less digits than its factorization.

3986788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843 (or 1841 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 3986788 is about 1996.6942680340. The cubic root of 3986788 is about 158.5651395622.

It can be divided in two parts, 3986 and 788, that added together give a palindrome (4774).

The spelling of 3986788 in words is "three million, nine hundred eighty-six thousand, seven hundred eighty-eight".