82493393 has 4 divisors (see below), whose sum is σ = 84411888. Its totient is φ = 80574900.

The previous prime is 82493381. The next prime is 82493399. The reversal of 82493393 is 39339428.

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 82493393 - 2⁴ = 82493377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82493393.

It is not an unprimeable number, because it can be changed into a prime (82493399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959183 + ... + 959268.

It is an arithmetic number, because the mean of its divisors is an integer number (21102972).

Almost surely, 2^82493393 is an apocalyptic number.

It is an amenable number.

82493393 is a deficient number, since it is larger than the sum of its proper divisors (1918495).

82493393 is a wasteful number, since it uses less digits than its factorization.

82493393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918494.

The product of its digits is 139968, while the sum is 41.

The square root of 82493393 is about 9082.5873516306. The cubic root of 82493393 is about 435.3177631525.

The spelling of 82493393 in words is "eighty-two million, four hundred ninety-three thousand, three hundred ninety-three".