82406617 has 4 divisors (see below), whose sum is σ = 83055616. Its totient is φ = 81757620.

The previous prime is 82406609. The next prime is 82406689. The reversal of 82406617 is 71660428.

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.

It is a cyclic number.

It is not a de Polignac number, because 82406617 - 2³ = 82406609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82406917) 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, 324309 + ... + 324562.

It is an arithmetic number, because the mean of its divisors is an integer number (20763904).

Almost surely, 2^82406617 is an apocalyptic number.

It is an amenable number.

82406617 is a deficient number, since it is larger than the sum of its proper divisors (648999).

82406617 is a wasteful number, since it uses less digits than its factorization.

82406617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648998.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 82406617 is about 9077.8090418338. The cubic root of 82406617 is about 435.1650705712.

The spelling of 82406617 in words is "eighty-two million, four hundred six thousand, six hundred seventeen".