3887658 has 12 divisors (see below), whose sum is σ = 8423298. Its totient is φ = 1295880.

The previous prime is 3887657. The next prime is 3887659. The reversal of 3887658 is 8567883.

3887658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3887657) and next prime (3887659).

It can be written as a sum of positive squares in only one way, i.e., 3017169 + 870489 = 1737^2 + 933^2 .

It is a super-2 number, since 2×3887658² = 30227769449928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3887657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107973 + ... + 108008.

Almost surely, 2^3887658 is an apocalyptic number.

3887658 is an abundant number, since it is smaller than the sum of its proper divisors (4535640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3887658 is a wasteful number, since it uses less digits than its factorization.

3887658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215989 (or 215986 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 3887658 is about 1971.7144823731. The cubic root of 3887658 is about 157.2398729538.

The spelling of 3887658 in words is "three million, eight hundred eighty-seven thousand, six hundred fifty-eight".