82915906 has 8 divisors (see below), whose sum is σ = 124423884. Its totient is φ = 41441280.

The previous prime is 82915883. The next prime is 82915907. The reversal of 82915906 is 60951928.

It can be written as a sum of positive squares in 2 ways, for example, as 68740681 + 14175225 = 8291^2 + 3765^2 .

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

It is not an unprimeable number, because it can be changed into a prime (82915907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735 + ... + 12898.

Almost surely, 2^82915906 is an apocalyptic number.

82915906 is a deficient number, since it is larger than the sum of its proper divisors (41507978).

82915906 is a wasteful number, since it uses less digits than its factorization.

82915906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16676.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 82915906 is about 9105.8171516894. The cubic root of 82915906 is about 436.0596985000.

The spelling of 82915906 in words is "eighty-two million, nine hundred fifteen thousand, nine hundred six".