82358644 has 12 divisors (see below), whose sum is σ = 144264484. Its totient is φ = 41140224.

The previous prime is 82358629. The next prime is 82358657. The reversal of 82358644 is 44685328.

It can be written as a sum of positive squares in 2 ways, for example, as 21049744 + 61308900 = 4588^2 + 7830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82358597 and 82358606.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4749 + ... + 13684.

Almost surely, 2^82358644 is an apocalyptic number.

It is an amenable number.

82358644 is a deficient number, since it is larger than the sum of its proper divisors (61905840).

82358644 is a wasteful number, since it uses less digits than its factorization.

82358644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19554 (or 19552 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 82358644 is about 9075.1663345638. The cubic root of 82358644 is about 435.0806104189.

The spelling of 82358644 in words is "eighty-two million, three hundred fifty-eight thousand, six hundred forty-four".