3887980 has 24 divisors (see below), whose sum is σ = 8279712. Its totient is φ = 1533312.

The previous prime is 3887971. The next prime is 3887993. The reversal of 3887980 is 897883.

It is a happy number.

It is an unprimeable number.

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, 129 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (344988).

Almost surely, 2^3887980 is an apocalyptic number.

It is an amenable number.

3887980 is an abundant number, since it is smaller than the sum of its proper divisors (4391732).

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

3887980 is a wasteful number, since it uses less digits than its factorization.

3887980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2743 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 3887980 is about 1971.7961355069. The cubic root of 3887980 is about 157.2442140285.

The spelling of 3887980 in words is "three million, eight hundred eighty-seven thousand, nine hundred eighty".