90230 has 16 divisors (see below), whose sum is σ = 185760. Its totient is φ = 30912.
The previous prime is 90227. The next prime is 90239. The reversal of 90230 is 3209.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90239) 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, 575 + ... + 714.
It is an arithmetic number, because the mean of its divisors is an integer number (11610).
290230 is an apocalyptic number.
90230 is an abundant number, since it is smaller than the sum of its proper divisors (95530).
It is a weird number, because it is abundant, but not a pseudoperfect number.
It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92880).
90230 is a wasteful number, since it uses less digits than its factorization.
90230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1303.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 90230 is about 300.3830887384. The cubic root of 90230 is about 44.8521899216.
Adding to 90230 its reverse (3209), we get a palindrome (93439).
The spelling of 90230 in words is "ninety thousand, two hundred thirty".
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