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89867 is a prime number
BaseRepresentation
bin10101111100001011
311120021102
4111330023
510333432
61532015
7523001
oct257413
9146242
1089867
1161578
124400b
1331b9b
1424a71
151b962
hex15f0b

89867 has 2 divisors, whose sum is σ = 89868. Its totient is φ = 89866.

The previous prime is 89849. The next prime is 89891. The reversal of 89867 is 76898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89867 - 28 = 89611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89867.

It is not a weakly prime, because it can be changed into another prime (89897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44933 + 44934.

It is an arithmetic number, because the mean of its divisors is an integer number (44934).

289867 is an apocalyptic number.

89867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89867 is an equidigital number, since it uses as much as digits as its factorization.

89867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 89867 is about 299.7782513792. The cubic root of 89867 is about 44.7919615148.

The spelling of 89867 in words is "eighty-nine thousand, eight hundred sixty-seven".