82330840 has 32 divisors (see below), whose sum is σ = 189190080. Its totient is φ = 32230912.

The previous prime is 82330837. The next prime is 82330879. The reversal of 82330840 is 4803328.

It is a junction number, because it is equal to n+sod(n) for n = 82330799 and 82330808.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20017 + ... + 23776.

It is an arithmetic number, because the mean of its divisors is an integer number (5912190).

Almost surely, 2^82330840 is an apocalyptic number.

It is an amenable number.

82330840 is an abundant number, since it is smaller than the sum of its proper divisors (106859240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82330840 is a wasteful number, since it uses less digits than its factorization.

82330840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43851 (or 43847 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 82330840 is about 9073.6343325043. The cubic root of 82330840 is about 435.0316443268.

The spelling of 82330840 in words is "eighty-two million, three hundred thirty thousand, eight hundred forty".