4404397 has 2 divisors, whose sum is σ = 4404398. Its totient is φ = 4404396.

The previous prime is 4404391. The next prime is 4404419. The reversal of 4404397 is 7934044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3261636 + 1142761 = 1806^2 + 1069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4404397 is a prime.

4404397 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4404391) 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, 2202198 + 2202199.

It is an arithmetic number, because the mean of its divisors is an integer number (2202199).

Almost surely, 2^4404397 is an apocalyptic number.

It is an amenable number.

4404397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4404397 is an equidigital number, since it uses as much as digits as its factorization.

4404397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4404397 is about 2098.6655283775. The cubic root of 4404397 is about 163.9188201241.

The spelling of 4404397 in words is "four million, four hundred four thousand, three hundred ninety-seven".