4947187 has 12 divisors (see below), whose sum is σ = 6094440. Its totient is φ = 3990336.

The previous prime is 4947181. The next prime is 4947191. The reversal of 4947187 is 7817494.

It is a de Polignac number, because none of the positive numbers 2^k-4947187 is a prime.

It is a Duffinian number.

4947187 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4947181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2137 + ... + 3802.

It is an arithmetic number, because the mean of its divisors is an integer number (507870).

Almost surely, 2^4947187 is an apocalyptic number.

4947187 is a deficient number, since it is larger than the sum of its proper divisors (1147253).

4947187 is a wasteful number, since it uses less digits than its factorization.

4947187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970 (or 5963 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 4947187 is about 2224.2272815520. The cubic root of 4947187 is about 170.3934026372.

The spelling of 4947187 in words is "four million, nine hundred forty-seven thousand, one hundred eighty-seven".