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889069 is a prime number
BaseRepresentation
bin11011001000011101101
31200011120111
43121003231
5211422234
631020021
710362016
oct3310355
91604514
10889069
11557a75
1236a611
1325189c
1419200d
15128664
hexd90ed

889069 has 2 divisors, whose sum is σ = 889070. Its totient is φ = 889068.

The previous prime is 889051. The next prime is 889081. The reversal of 889069 is 960988.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697225 + 191844 = 835^2 + 438^2 .

It is a cyclic number.

It is not a de Polignac number, because 889069 - 25 = 889037 is a prime.

It is a super-2 number, since 2×8890692 = 1580887373522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444534 + 444535.

It is an arithmetic number, because the mean of its divisors is an integer number (444535).

2889069 is an apocalyptic number.

It is an amenable number.

889069 is a deficient number, since it is larger than the sum of its proper divisors (1).

889069 is an equidigital number, since it uses as much as digits as its factorization.

889069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 889069 is about 942.9045550850. The cubic root of 889069 is about 96.1564650446.

The spelling of 889069 in words is "eight hundred eighty-nine thousand, sixty-nine".