82939413 has 8 divisors (see below), whose sum is σ = 117091008. Its totient is φ = 52040384.

The previous prime is 82939399. The next prime is 82939421. The reversal of 82939413 is 31493928.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82939413 - 2⁹ = 82938901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82939013) 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 7 ways as a sum of consecutive naturals, for example, 813081 + ... + 813182.

It is an arithmetic number, because the mean of its divisors is an integer number (14636376).

Almost surely, 2^82939413 is an apocalyptic number.

It is an amenable number.

82939413 is a deficient number, since it is larger than the sum of its proper divisors (34151595).

82939413 is a wasteful number, since it uses less digits than its factorization.

82939413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626283.

The product of its digits is 46656, while the sum is 39.

The square root of 82939413 is about 9107.1078285041. The cubic root of 82939413 is about 436.1009028451.

The spelling of 82939413 in words is "eighty-two million, nine hundred thirty-nine thousand, four hundred thirteen".