4791971 has 4 divisors (see below), whose sum is σ = 5044200. Its totient is φ = 4539744.

The previous prime is 4791961. The next prime is 4791973. The reversal of 4791971 is 1791974.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1791974 = 2 ⋅895987.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4791971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4791973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126086 + ... + 126123.

It is an arithmetic number, because the mean of its divisors is an integer number (1261050).

Almost surely, 2^4791971 is an apocalyptic number.

4791971 is a deficient number, since it is larger than the sum of its proper divisors (252229).

4791971 is a wasteful number, since it uses less digits than its factorization.

4791971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252228.

The product of its digits is 15876, while the sum is 38.

The square root of 4791971 is about 2189.0571029555. The cubic root of 4791971 is about 168.5924261131.

The spelling of 4791971 in words is "four million, seven hundred ninety-one thousand, nine hundred seventy-one".