82942849 has 16 divisors (see below), whose sum is σ = 92586240. Its totient is φ = 73666960.

The previous prime is 82942841. The next prime is 82942861. The reversal of 82942849 is 94824928.

It is a cyclic number.

It is not a de Polignac number, because 82942849 - 2³ = 82942841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82942799 and 82942808.

It is not an unprimeable number, because it can be changed into a prime (82942841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147042 + ... + 147604.

It is an arithmetic number, because the mean of its divisors is an integer number (5786640).

Almost surely, 2^82942849 is an apocalyptic number.

It is an amenable number.

82942849 is a deficient number, since it is larger than the sum of its proper divisors (9643391).

82942849 is a wasteful number, since it uses less digits than its factorization.

82942849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860.

The product of its digits is 331776, while the sum is 46.

The square root of 82942849 is about 9107.2964704132. The cubic root of 82942849 is about 436.1069250001.

The spelling of 82942849 in words is "eighty-two million, nine hundred forty-two thousand, eight hundred forty-nine".