4638971 has 2 divisors, whose sum is σ = 4638972. Its totient is φ = 4638970.

The previous prime is 4638967. The next prime is 4638979. The reversal of 4638971 is 1798364.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4638971 - 2² = 4638967 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4638979) 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 as a sum of consecutive naturals, namely, 2319485 + 2319486.

It is an arithmetic number, because the mean of its divisors is an integer number (2319486).

Almost surely, 2^4638971 is an apocalyptic number.

4638971 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638971 is an equidigital number, since it uses as much as digits as its factorization.

4638971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 38.

The square root of 4638971 is about 2153.8270589813. The cubic root of 4638971 is about 166.7786878018.

The spelling of 4638971 in words is "four million, six hundred thirty-eight thousand, nine hundred seventy-one".