40617 has 6 divisors (see below), whose sum is σ = 58682. Its totient is φ = 27072.
The previous prime is 40609. The next prime is 40627. The reversal of 40617 is 71604.
It can be written as a sum of positive squares in only one way, i.e., 20736 + 19881 = 144^2 + 141^2 .
It is not a de Polignac number, because 40617 - 23 = 40609 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 40617.
It is not an unprimeable number, because it can be changed into a prime (40627) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2248 + ... + 2265.
240617 is an apocalyptic number.
It is an amenable number.
40617 is a deficient number, since it is larger than the sum of its proper divisors (18065).
40617 is a wasteful number, since it uses less digits than its factorization.
40617 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4519 (or 4516 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 40617 is about 201.5365971728. The cubic root of 40617 is about 34.3744650054.
The spelling of 40617 in words is "forty thousand, six hundred seventeen".
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