4644881 has 2 divisors, whose sum is σ = 4644882. Its totient is φ = 4644880.

The previous prime is 4644853. The next prime is 4644883. The reversal of 4644881 is 1884464.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2835856 + 1809025 = 1684^2 + 1345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4644881 - 2¹⁸ = 4382737 is a prime.

It is a super-2 number, since 2×4644881² = 43149839008322, which contains 22 as substring.

Together with 4644883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4644883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322440 + 2322441.

It is an arithmetic number, because the mean of its divisors is an integer number (2322441).

Almost surely, 2^4644881 is an apocalyptic number.

It is an amenable number.

4644881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644881 is an equidigital number, since it uses as much as digits as its factorization.

4644881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 35.

The square root of 4644881 is about 2155.1985987375. The cubic root of 4644881 is about 166.8494825080.

The spelling of 4644881 in words is "four million, six hundred forty-four thousand, eight hundred eighty-one".