82106842 has 8 divisors (see below), whose sum is σ = 123786036. Its totient is φ = 40844832.

The previous prime is 82106831. The next prime is 82106851. The reversal of 82106842 is 24860128.

It can be written as a sum of positive squares in 2 ways, for example, as 68409441 + 13697401 = 8271^2 + 3701^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103803 + ... + 104590.

Almost surely, 2^82106842 is an apocalyptic number.

82106842 is a deficient number, since it is larger than the sum of its proper divisors (41679194).

82106842 is a wasteful number, since it uses less digits than its factorization.

82106842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208592.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 82106842 is about 9061.2825802973. The cubic root of 82106842 is about 434.6367549339.

The spelling of 82106842 in words is "eighty-two million, one hundred six thousand, eight hundred forty-two".