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94009 is a prime number
BaseRepresentation
bin10110111100111001
311202221211
4112330321
511002014
62003121
7541036
oct267471
9152854
1094009
11646a3
12464a1
1333a36
142638d
151ccc4
hex16f39

94009 has 2 divisors, whose sum is σ = 94010. Its totient is φ = 94008.

The previous prime is 94007. The next prime is 94033. The reversal of 94009 is 90049.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51984 + 42025 = 228^2 + 205^2 .

It is a cyclic number.

It is not a de Polignac number, because 94009 - 21 = 94007 is a prime.

Together with 94007, it forms a pair of twin primes.

It is a Chen prime.

94009 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (94007) 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, 47004 + 47005.

It is an arithmetic number, because the mean of its divisors is an integer number (47005).

294009 is an apocalyptic number.

It is an amenable number.

94009 is a deficient number, since it is larger than the sum of its proper divisors (1).

94009 is an equidigital number, since it uses as much as digits as its factorization.

94009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 94009 is about 306.6088713655. The cubic root of 94009 is about 45.4698105093.

It can be divided in two parts, 9400 and 9, that added together give a square (9409 = 972).

The spelling of 94009 in words is "ninety-four thousand, nine".