89290 has 8 divisors (see below), whose sum is σ = 160740. Its totient is φ = 35712.
The previous prime is 89273. The next prime is 89293. The reversal of 89290 is 9298.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 77841 + 11449 = 279^2 + 107^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 14.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (89293) 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, 4455 + ... + 4474.
289290 is an apocalyptic number.
89290 is a deficient number, since it is larger than the sum of its proper divisors (71450).
89290 is a wasteful number, since it uses less digits than its factorization.
89290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8936.
The product of its (nonzero) digits is 1296, while the sum is 28.
The square root of 89290 is about 298.8143236192. The cubic root of 89290 is about 44.6958918662.
The spelling of 89290 in words is "eighty-nine thousand, two hundred ninety".
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