4987836 has 36 divisors (see below), whose sum is σ = 14410032. Its totient is φ = 1425024.

The previous prime is 4987819. The next prime is 4987847. The reversal of 4987836 is 6387894.

It is a happy number.

4987836 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an alternating number because its digits alternate between even and odd.

4987836 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 4987791 and 4987800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9645 + ... + 10148.

Almost surely, 2^4987836 is an apocalyptic number.

It is an amenable number.

4987836 is an abundant number, since it is smaller than the sum of its proper divisors (9422196).

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

4987836 is a wasteful number, since it uses less digits than its factorization.

4987836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19810 (or 19805 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 4987836 is about 2233.3463681212. The cubic root of 4987836 is about 170.8588144158.

The spelling of 4987836 in words is "four million, nine hundred eighty-seven thousand, eight hundred thirty-six".