4440913 has 2 divisors, whose sum is σ = 4440914. Its totient is φ = 4440912.

The previous prime is 4440901. The next prime is 4440929. The reversal of 4440913 is 3190444.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 1774224 = 1633^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440913 - 2⁵ = 4440881 is a prime.

It is not a weakly prime, because it can be changed into another prime (4440413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220456 + 2220457.

It is an arithmetic number, because the mean of its divisors is an integer number (2220457).

Almost surely, 2^4440913 is an apocalyptic number.

It is an amenable number.

4440913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440913 is an equidigital number, since it uses as much as digits as its factorization.

4440913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4440913 is about 2107.3473847470. The cubic root of 4440913 is about 164.3705802953.

The spelling of 4440913 in words is "four million, four hundred forty thousand, nine hundred thirteen".