88990 has 16 divisors (see below), whose sum is σ = 174960. Its totient is φ = 32320.
The previous prime is 88969. The next prime is 88993. The reversal of 88990 is 9988.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88993) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 514.
It is an arithmetic number, because the mean of its divisors is an integer number (10935).
288990 is an apocalyptic number.
88990 is a deficient number, since it is larger than the sum of its proper divisors (85970).
88990 is a wasteful number, since it uses less digits than its factorization.
88990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 827.
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 88990 is about 298.3119172946. The cubic root of 88990 is about 44.6457787040.
It can be divided in two parts, 889 and 90, that added together give a palindrome (979).
The spelling of 88990 in words is "eighty-eight thousand, nine hundred ninety".
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