4987089 has 14 divisors (see below), whose sum is σ = 7478306. Its totient is φ = 3324240.

The previous prime is 4987079. The next prime is 4987091. The reversal of 4987089 is 9807894.

It can be written as a sum of positive squares in only one way, i.e., 4665600 + 321489 = 2160^2 + 567^2 .

It is not a de Polignac number, because 4987089 - 2⁵ = 4987057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4987009) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2692 + ... + 4149.

Almost surely, 2^4987089 is an apocalyptic number.

It is an amenable number.

4987089 is a deficient number, since it is larger than the sum of its proper divisors (2491217).

4987089 is an frugal number, since it uses more digits than its factorization.

4987089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6859 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4987089 is about 2233.1791240292. The cubic root of 4987089 is about 170.8502844704.

The spelling of 4987089 in words is "four million, nine hundred eighty-seven thousand, eighty-nine".