4947971 has 12 divisors (see below), whose sum is σ = 5793480. Its totient is φ = 4213440.

The previous prime is 4947959. The next prime is 4947979. The reversal of 4947971 is 1797494.

It is a happy number.

It is not a de Polignac number, because 4947971 - 2¹⁰ = 4946947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4947979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11600 + ... + 12018.

It is an arithmetic number, because the mean of its divisors is an integer number (482790).

Almost surely, 2^4947971 is an apocalyptic number.

4947971 is a deficient number, since it is larger than the sum of its proper divisors (845509).

4947971 is a wasteful number, since it uses less digits than its factorization.

4947971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 667 counting only the distinct ones).

The product of its digits is 63504, while the sum is 41.

The square root of 4947971 is about 2224.4035155520. The cubic root of 4947971 is about 170.4024031305.

The spelling of 4947971 in words is "four million, nine hundred forty-seven thousand, nine hundred seventy-one".