Search a number
-
+
8398089 = 327133303
BaseRepresentation
bin100000000010…
…010100001001
3120210200000100
4200002110021
54122214324
6500000013
7131245140
oct40022411
916720010
108398089
114816677
122990009
1319806ab
141188757
15b0d4c9
hex802509

8398089 has 12 divisors (see below), whose sum is σ = 13863616. Its totient is φ = 4798872.

The previous prime is 8398069. The next prime is 8398097. The reversal of 8398089 is 9808938.

It is not a de Polignac number, because 8398089 - 212 = 8393993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66589 + ... + 66714.

Almost surely, 28398089 is an apocalyptic number.

It is an amenable number.

8398089 is a deficient number, since it is larger than the sum of its proper divisors (5465527).

8398089 is a wasteful number, since it uses less digits than its factorization.

8398089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133316 (or 133313 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 8398089 is about 2897.9456516643. The cubic root of 8398089 is about 203.2638548491.

The spelling of 8398089 in words is "eight million, three hundred ninety-eight thousand, eighty-nine".

Divisors: 1 3 7 9 21 63 133303 399909 933121 1199727 2799363 8398089