4638761 has 2 divisors, whose sum is σ = 4638762. Its totient is φ = 4638760.

The previous prime is 4638743. The next prime is 4638791. The reversal of 4638761 is 1678364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 42025 = 2144^2 + 205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4638761 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4638721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319380 + 2319381.

It is an arithmetic number, because the mean of its divisors is an integer number (2319381).

Almost surely, 2^4638761 is an apocalyptic number.

It is an amenable number.

4638761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638761 is an equidigital number, since it uses as much as digits as its factorization.

4638761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 4638761 is about 2153.7783079974. The cubic root of 4638761 is about 166.7761711480.

The spelling of 4638761 in words is "four million, six hundred thirty-eight thousand, seven hundred sixty-one".