90567 has 12 divisors (see below), whose sum is σ = 135720. Its totient is φ = 58128.
The previous prime is 90547. The next prime is 90583. The reversal of 90567 is 76509.
It is not a de Polignac number, because 90567 - 27 = 90439 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a self number, because there is not a number n which added to its sum of digits gives 90567.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90527) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88 + ... + 434.
It is an arithmetic number, because the mean of its divisors is an integer number (11310).
290567 is an apocalyptic number.
90567 is a deficient number, since it is larger than the sum of its proper divisors (45153).
90567 is a wasteful number, since it uses less digits than its factorization.
90567 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 379 counting only the distinct ones).
The product of its (nonzero) digits is 1890, while the sum is 27.
The square root of 90567 is about 300.9435162950. The cubic root of 90567 is about 44.9079600241.
The spelling of 90567 in words is "ninety thousand, five hundred sixty-seven".
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