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4444409 is a prime number
BaseRepresentation
bin10000111101000011111001
322100210120202
4100331003321
52114210114
6235131545
752530314
oct20750371
98323522
104444409
112566172
1215a3bb5
13bc7c38
1483997b
155cbcde
hex43d0f9

4444409 has 2 divisors, whose sum is σ = 4444410. Its totient is φ = 4444408.

The previous prime is 4444397. The next prime is 4444469. The reversal of 4444409 is 9044444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3052009 + 1392400 = 1747^2 + 1180^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4444409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4444469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222204 + 2222205.

It is an arithmetic number, because the mean of its divisors is an integer number (2222205).

Almost surely, 24444409 is an apocalyptic number.

It is an amenable number.

4444409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444409 is an equidigital number, since it uses as much as digits as its factorization.

4444409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4444409 is about 2108.1767003740. The cubic root of 4444409 is about 164.4137012200.

The spelling of 4444409 in words is "four million, four hundred forty-four thousand, four hundred nine".