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84889 = 767181
BaseRepresentation
bin10100101110011001
311022110001
4110232121
510204024
61453001
7502330
oct245631
9138401
1084889
1158862
1241161
132c83c
1422d17
151a244
hex14b99

84889 has 8 divisors (see below), whose sum is σ = 99008. Its totient is φ = 71280.

The previous prime is 84871. The next prime is 84913. The reversal of 84889 is 98848.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84889 - 25 = 84857 is a prime.

It is a super-2 number, since 2×848892 = 14412284642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 559.

It is an arithmetic number, because the mean of its divisors is an integer number (12376).

284889 is an apocalyptic number.

It is an amenable number.

84889 is a deficient number, since it is larger than the sum of its proper divisors (14119).

84889 is a wasteful number, since it uses less digits than its factorization.

84889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its digits is 18432, while the sum is 37.

The square root of 84889 is about 291.3571691241. The cubic root of 84889 is about 43.9491492435.

The spelling of 84889 in words is "eighty-four thousand, eight hundred eighty-nine".

Divisors: 1 7 67 181 469 1267 12127 84889