87494 has 16 divisors (see below), whose sum is σ = 148176. Its totient is φ = 38400.
The previous prime is 87491. The next prime is 87509. The reversal of 87494 is 49478.
It is a happy number.
It is an alternating number because its digits alternate between even and odd.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 87494.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87491) 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, 854 + ... + 950.
It is an arithmetic number, because the mean of its divisors is an integer number (9261).
287494 is an apocalyptic number.
87494 is a deficient number, since it is larger than the sum of its proper divisors (60682).
87494 is a wasteful number, since it uses less digits than its factorization.
87494 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151.
The product of its digits is 8064, while the sum is 32.
The square root of 87494 is about 295.7938471301. The cubic root of 87494 is about 44.3941853165.
The spelling of 87494 in words is "eighty-seven thousand, four hundred ninety-four".
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