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2397869 is a prime number
BaseRepresentation
bin1001001001011010101101
311111211020222
421021122231
51103212434
6123221125
726244605
oct11113255
94454228
102397869
111398611
129777a5
1365c576
14465c05
1532572e
hex2496ad

2397869 has 2 divisors, whose sum is σ = 2397870. Its totient is φ = 2397868.

The previous prime is 2397853. The next prime is 2397907. The reversal of 2397869 is 9687932.

2397869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 1075369 = 1150^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2397869 - 24 = 2397853 is a prime.

It is a super-2 number, since 2×23978692 = 11499551482322, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2397839) 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, 1198934 + 1198935.

It is an arithmetic number, because the mean of its divisors is an integer number (1198935).

22397869 is an apocalyptic number.

It is an amenable number.

2397869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397869 is an equidigital number, since it uses as much as digits as its factorization.

2397869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 44.

The square root of 2397869 is about 1548.5054084504. The cubic root of 2397869 is about 133.8469515707.

The spelling of 2397869 in words is "two million, three hundred ninety-seven thousand, eight hundred sixty-nine".