4791641 has 4 divisors (see below), whose sum is σ = 4956900. Its totient is φ = 4626384.

The previous prime is 4791623. The next prime is 4791643. The reversal of 4791641 is 1461974.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1901641 + 2890000 = 1379^2 + 1700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4791641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4791598 and 4791607.

It is not an unprimeable number, because it can be changed into a prime (4791643) 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, 82586 + ... + 82643.

It is an arithmetic number, because the mean of its divisors is an integer number (1239225).

Almost surely, 2^4791641 is an apocalyptic number.

It is an amenable number.

4791641 is a deficient number, since it is larger than the sum of its proper divisors (165259).

4791641 is a wasteful number, since it uses less digits than its factorization.

4791641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165258.

The product of its digits is 6048, while the sum is 32.

The square root of 4791641 is about 2188.9817267396. The cubic root of 4791641 is about 168.5885559744.

The spelling of 4791641 in words is "four million, seven hundred ninety-one thousand, six hundred forty-one".