4922791 has 4 divisors (see below), whose sum is σ = 4931584. Its totient is φ = 4914000.

The previous prime is 4922773. The next prime is 4922803. The reversal of 4922791 is 1972294.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1972294 = 2 ⋅986147.

It is a cyclic number.

It is not a de Polignac number, because 4922791 - 2¹¹ = 4920743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4922711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3495 + ... + 4696.

It is an arithmetic number, because the mean of its divisors is an integer number (1232896).

Almost surely, 2^4922791 is an apocalyptic number.

4922791 is a deficient number, since it is larger than the sum of its proper divisors (8793).

4922791 is an equidigital number, since it uses as much as digits as its factorization.

4922791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792.

The product of its digits is 9072, while the sum is 34.

The square root of 4922791 is about 2218.7363520707. The cubic root of 4922791 is about 170.1128547071.

The spelling of 4922791 in words is "four million, nine hundred twenty-two thousand, seven hundred ninety-one".