82641339 has 12 divisors (see below), whose sum is σ = 130222872. Its totient is φ = 50085600.

The previous prime is 82641289. The next prime is 82641341. The reversal of 82641339 is 93314628.

82641339 is a `hidden beast` number, since 8 + 2 + 641 + 3 + 3 + 9 = 666.

It is not a de Polignac number, because 82641339 - 2⁹ = 82640827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82641379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417282 + ... + 417479.

It is an arithmetic number, because the mean of its divisors is an integer number (10851906).

Almost surely, 2^82641339 is an apocalyptic number.

82641339 is a deficient number, since it is larger than the sum of its proper divisors (47581533).

82641339 is a wasteful number, since it uses less digits than its factorization.

82641339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834778 (or 834775 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 82641339 is about 9090.7281886546. The cubic root of 82641339 is about 435.5778448258.

Subtracting 82641339 from its reverse (93314628), we obtain a square (10673289 = 3267²).

The spelling of 82641339 in words is "eighty-two million, six hundred forty-one thousand, three hundred thirty-nine".