4881987 has 18 divisors (see below), whose sum is σ = 7752836. Its totient is φ = 2958120.

The previous prime is 4881983. The next prime is 4882019. The reversal of 4881987 is 7891884.

4881987 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4881987 - 2² = 4881983 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4881983) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1153 + ... + 3330.

Almost surely, 2^4881987 is an apocalyptic number.

4881987 is a deficient number, since it is larger than the sum of its proper divisors (2870849).

4881987 is a wasteful number, since it uses less digits than its factorization.

4881987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511 (or 4497 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 4881987 is about 2209.5218939852. The cubic root of 4881987 is about 169.6415399576.

The spelling of 4881987 in words is "four million, eight hundred eighty-one thousand, nine hundred eighty-seven".