4644481 has 2 divisors, whose sum is σ = 4644482. Its totient is φ = 4644480.

The previous prime is 4644463. The next prime is 4644509. The reversal of 4644481 is 1844464.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 608400 = 2009^2 + 780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4644481 is a prime.

It is a super-2 number, since 2×4644481² = 43142407518722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4644401) 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 as a sum of consecutive naturals, namely, 2322240 + 2322241.

It is an arithmetic number, because the mean of its divisors is an integer number (2322241).

Almost surely, 2^4644481 is an apocalyptic number.

It is an amenable number.

4644481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4644481 is an equidigital number, since it uses as much as digits as its factorization.

4644481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 31.

The square root of 4644481 is about 2155.1057978670. The cubic root of 4644481 is about 166.8446928834.

The spelling of 4644481 in words is "four million, six hundred forty-four thousand, four hundred eighty-one".