4987647 has 24 divisors (see below), whose sum is σ = 8719776. Its totient is φ = 2681856.

The previous prime is 4987639. The next prime is 4987657. The reversal of 4987647 is 7467894.

It is not a de Polignac number, because 4987647 - 2³ = 4987639 is a prime.

4987647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4987607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1258 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (363324).

Almost surely, 2^4987647 is an apocalyptic number.

4987647 is a deficient number, since it is larger than the sum of its proper divisors (3732129).

4987647 is a wasteful number, since it uses less digits than its factorization.

4987647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4684 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 4987647 is about 2233.3040545344. The cubic root of 4987647 is about 170.8566563173.

The spelling of 4987647 in words is "four million, nine hundred eighty-seven thousand, six hundred forty-seven".