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8984489 is a prime number
BaseRepresentation
bin100010010001…
…011110101001
3121220110101212
4202101132221
54300000424
6520322505
7136236563
oct42213651
917813355
108984489
1150871a8
123013435
131b27587
14129c333
15bc710e
hex8917a9

8984489 has 2 divisors, whose sum is σ = 8984490. Its totient is φ = 8984488.

The previous prime is 8984477. The next prime is 8984491. The reversal of 8984489 is 9844898.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 1651225 = 2708^2 + 1285^2 .

It is a cyclic number.

It is not a de Polignac number, because 8984489 - 216 = 8918953 is a prime.

It is a super-2 number, since 2×89844892 = 161442085182242, which contains 22 as substring.

Together with 8984491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8984089) 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, 4492244 + 4492245.

It is an arithmetic number, because the mean of its divisors is an integer number (4492245).

Almost surely, 28984489 is an apocalyptic number.

It is an amenable number.

8984489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8984489 is an equidigital number, since it uses as much as digits as its factorization.

8984489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 50.

The square root of 8984489 is about 2997.4137185247. The cubic root of 8984489 is about 207.8888166270. Note that the first 4 decimals are identical.

The spelling of 8984489 in words is "eight million, nine hundred eighty-four thousand, four hundred eighty-nine".