82841393 has 4 divisors (see below), whose sum is σ = 85513728. Its totient is φ = 80169060.

The previous prime is 82841383. The next prime is 82841399. The reversal of 82841393 is 39314828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82841393 - 2⁸ = 82841137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82841399) 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, 1336121 + ... + 1336182.

It is an arithmetic number, because the mean of its divisors is an integer number (21378432).

Almost surely, 2^82841393 is an apocalyptic number.

It is an amenable number.

82841393 is a deficient number, since it is larger than the sum of its proper divisors (2672335).

82841393 is a wasteful number, since it uses less digits than its factorization.

82841393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672334.

The product of its digits is 41472, while the sum is 38.

The square root of 82841393 is about 9101.7247266658. The cubic root of 82841393 is about 435.9290365807.

The spelling of 82841393 in words is "eighty-two million, eight hundred forty-one thousand, three hundred ninety-three".