Search a number
-
+
2398089 = 3799363
BaseRepresentation
bin1001001001011110001001
311111211120010
421021132021
51103214324
6123222133
726245341
oct11113611
94454503
102398089
1113987a1
12977949
1365c6b5
14465d21
15325829
hex249789

2398089 has 4 divisors (see below), whose sum is σ = 3197456. Its totient is φ = 1598724.

The previous prime is 2398087. The next prime is 2398103. The reversal of 2398089 is 9808932.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2398089 - 21 = 2398087 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2398087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399679 + ... + 399684.

It is an arithmetic number, because the mean of its divisors is an integer number (799364).

22398089 is an apocalyptic number.

It is an amenable number.

2398089 is a deficient number, since it is larger than the sum of its proper divisors (799367).

2398089 is an equidigital number, since it uses as much as digits as its factorization.

2398089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799366.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 2398089 is about 1548.5764430599. The cubic root of 2398089 is about 133.8510448481.

The spelling of 2398089 in words is "two million, three hundred ninety-eight thousand, eighty-nine".

Divisors: 1 3 799363 2398089