82684005 has 16 divisors (see below), whose sum is σ = 140076864. Its totient is φ = 41504000.

The previous prime is 82684001. The next prime is 82684009. The reversal of 82684005 is 50048628.

It is an interprime number because it is at equal distance from previous prime (82684001) and next prime (82684009).

It is not a de Polignac number, because 82684005 - 2² = 82684001 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82684001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161871 + ... + 162380.

It is an arithmetic number, because the mean of its divisors is an integer number (8754804).

Almost surely, 2^82684005 is an apocalyptic number.

82684005 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82684005 is a deficient number, since it is larger than the sum of its proper divisors (57392859).

82684005 is a wasteful number, since it uses less digits than its factorization.

82684005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324276.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 82684005 is about 9093.0745625448. The cubic root of 82684005 is about 435.6527918488.

The spelling of 82684005 in words is "eighty-two million, six hundred eighty-four thousand, five".