82840544 has 12 divisors (see below), whose sum is σ = 163092384. Its totient is φ = 41420256.

The previous prime is 82840519. The next prime is 82840547. The reversal of 82840544 is 44504828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82840547) 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 as a sum of consecutive naturals, namely, 1294352 + ... + 1294415.

It is an arithmetic number, because the mean of its divisors is an integer number (13591032).

Almost surely, 2^82840544 is an apocalyptic number.

It is an amenable number.

82840544 is a deficient number, since it is larger than the sum of its proper divisors (80251840).

82840544 is a wasteful number, since it uses less digits than its factorization.

82840544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588777 (or 2588769 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 82840544 is about 9101.6780870343. The cubic root of 82840544 is about 435.9275473694.

The spelling of 82840544 in words is "eighty-two million, eight hundred forty thousand, five hundred forty-four".