4440641 has 2 divisors, whose sum is σ = 4440642. Its totient is φ = 4440640.

The previous prime is 4440637. The next prime is 4440659. The reversal of 4440641 is 1460444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1430416 = 1735^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440641 - 2² = 4440637 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4440691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220320 + 2220321.

It is an arithmetic number, because the mean of its divisors is an integer number (2220321).

Almost surely, 2^4440641 is an apocalyptic number.

It is an amenable number.

4440641 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440641 is an equidigital number, since it uses as much as digits as its factorization.

4440641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4440641 is about 2107.2828476500. The cubic root of 4440641 is about 164.3672244005.

The spelling of 4440641 in words is "four million, four hundred forty thousand, six hundred forty-one".