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2398369 is a prime number
BaseRepresentation
bin1001001001100010100001
311111211221111
421021202201
51103221434
6123223321
726246221
oct11114241
94454844
102398369
111398a26
12977b41
1365c86c
14466081
15325964
hex2498a1

2398369 has 2 divisors, whose sum is σ = 2398370. Its totient is φ = 2398368.

The previous prime is 2398367. The next prime is 2398379. The reversal of 2398369 is 9638932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 112225 = 1512^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2398369 - 21 = 2398367 is a prime.

It is a super-2 number, since 2×23983692 = 11504347720322, which contains 22 as substring.

Together with 2398367, it forms a pair of twin primes.

2398369 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2398367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1199184 + 1199185.

It is an arithmetic number, because the mean of its divisors is an integer number (1199185).

22398369 is an apocalyptic number.

It is an amenable number.

2398369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2398369 is an equidigital number, since it uses as much as digits as its factorization.

2398369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 2398369 is about 1548.6668460324. Note that the first 3 decimals coincide. The cubic root of 2398369 is about 133.8562541118.

The spelling of 2398369 in words is "two million, three hundred ninety-eight thousand, three hundred sixty-nine".