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8905397 is a prime number
BaseRepresentation
bin100001111110…
…001010110101
3121202102220112
4201332022311
54234433042
6514512405
7135460154
oct41761265
917672815
108905397
115032836
122b95705
131aca587
14127b59b
15bad982
hex87e2b5

8905397 has 2 divisors, whose sum is σ = 8905398. Its totient is φ = 8905396.

The previous prime is 8905361. The next prime is 8905423. The reversal of 8905397 is 7935098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8797156 + 108241 = 2966^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 8905397 - 210 = 8904373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8905327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4452698 + 4452699.

It is an arithmetic number, because the mean of its divisors is an integer number (4452699).

Almost surely, 28905397 is an apocalyptic number.

It is an amenable number.

8905397 is a deficient number, since it is larger than the sum of its proper divisors (1).

8905397 is an equidigital number, since it uses as much as digits as its factorization.

8905397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 8905397 is about 2984.1911802028. The cubic root of 8905397 is about 207.2769907755.

Subtracting from 8905397 its reverse (7935098), we obtain a cube (970299 = 993).

The spelling of 8905397 in words is "eight million, nine hundred five thousand, three hundred ninety-seven".