90329 has 4 divisors (see below), whose sum is σ = 91920. Its totient is φ = 88740.
The previous prime is 90313. The next prime is 90353. The reversal of 90329 is 92309.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92309 = 7 ⋅13187.
It is a cyclic number.
It is not a de Polignac number, because 90329 - 24 = 90313 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 90329.
It is not an unprimeable number, because it can be changed into a prime (90359) 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, 707 + ... + 824.
It is an arithmetic number, because the mean of its divisors is an integer number (22980).
290329 is an apocalyptic number.
It is an amenable number.
90329 is a deficient number, since it is larger than the sum of its proper divisors (1591).
90329 is a wasteful number, since it uses less digits than its factorization.
90329 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1590.
The product of its (nonzero) digits is 486, while the sum is 23.
The square root of 90329 is about 300.5478331314. The cubic root of 90329 is about 44.8685878078.
The spelling of 90329 in words is "ninety thousand, three hundred twenty-nine".
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