4664641 has 2 divisors, whose sum is σ = 4664642. Its totient is φ = 4664640.

The previous prime is 4664603. The next prime is 4664657. The reversal of 4664641 is 1464664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 680625 = 1996^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 4664641 - 2⁹ = 4664129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4664141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332320 + 2332321.

It is an arithmetic number, because the mean of its divisors is an integer number (2332321).

Almost surely, 2^4664641 is an apocalyptic number.

It is an amenable number.

4664641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4664641 is an equidigital number, since it uses as much as digits as its factorization.

4664641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 31.

The square root of 4664641 is about 2159.7779978507. Note that the first 3 decimals coincide. The cubic root of 4664641 is about 167.0857484506.

The spelling of 4664641 in words is "four million, six hundred sixty-four thousand, six hundred forty-one".