90241 has 8 divisors (see below), whose sum is σ = 96768. Its totient is φ = 84000.
The previous prime is 90239. The next prime is 90247. The reversal of 90241 is 14209.
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 90241 - 21 = 90239 is a prime.
It is a Duffinian number.
90241 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (90247) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1236 + ... + 1306.
It is an arithmetic number, because the mean of its divisors is an integer number (12096).
290241 is an apocalyptic number.
It is an amenable number.
90241 is a deficient number, since it is larger than the sum of its proper divisors (6527).
90241 is a wasteful number, since it uses less digits than its factorization.
90241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143.
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 90241 is about 300.4013981326. The cubic root of 90241 is about 44.8540125011.
It can be divided in two parts, 9024 and 1, that added together give a square (9025 = 952).
The spelling of 90241 in words is "ninety thousand, two hundred forty-one".
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