82040806 has 8 divisors (see below), whose sum is σ = 123959880. Its totient is φ = 40720848.

The previous prime is 82040801. The next prime is 82040807. The reversal of 82040806 is 60804028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82040801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149436 + ... + 149983.

It is an arithmetic number, because the mean of its divisors is an integer number (15494985).

Almost surely, 2^82040806 is an apocalyptic number.

82040806 is a deficient number, since it is larger than the sum of its proper divisors (41919074).

82040806 is a wasteful number, since it uses less digits than its factorization.

82040806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299558.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 82040806 is about 9057.6379923245. The cubic root of 82040806 is about 434.5202020373.

The spelling of 82040806 in words is "eighty-two million, forty thousand, eight hundred six".