4987539 has 6 divisors (see below), whose sum is σ = 7204236. Its totient is φ = 3325020.

The previous prime is 4987531. The next prime is 4987561. The reversal of 4987539 is 9357894.

It is not a de Polignac number, because 4987539 - 2³ = 4987531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4987494 and 4987503.

It is not an unprimeable number, because it can be changed into a prime (4987531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277077 + ... + 277094.

It is an arithmetic number, because the mean of its divisors is an integer number (1200706).

Almost surely, 2^4987539 is an apocalyptic number.

4987539 is a deficient number, since it is larger than the sum of its proper divisors (2216697).

4987539 is a wasteful number, since it uses less digits than its factorization.

4987539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554177 (or 554174 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 4987539 is about 2233.2798749821. The cubic root of 4987539 is about 170.8554230937.

The spelling of 4987539 in words is "four million, nine hundred eighty-seven thousand, five hundred thirty-nine".