82411393 has 4 divisors (see below), whose sum is σ = 87259140. Its totient is φ = 77563648.

The previous prime is 82411367. The next prime is 82411397. The reversal of 82411393 is 39311428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33732864 + 48678529 = 5808^2 + 6977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82411393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82411397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423848 + ... + 2423881.

It is an arithmetic number, because the mean of its divisors is an integer number (21814785).

Almost surely, 2^82411393 is an apocalyptic number.

It is an amenable number.

82411393 is a deficient number, since it is larger than the sum of its proper divisors (4847747).

82411393 is a wasteful number, since it uses less digits than its factorization.

82411393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4847746.

The product of its digits is 5184, while the sum is 31.

The square root of 82411393 is about 9078.0720970920. The cubic root of 82411393 is about 435.1734772918.

The spelling of 82411393 in words is "eighty-two million, four hundred eleven thousand, three hundred ninety-three".