386005493 has 4 divisors (see below), whose sum is σ = 386094060. Its totient is φ = 385916928.

The previous prime is 386005483. The next prime is 386005513. The reversal of 386005493 is 394500683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 394500683 = 2221 ⋅177623.

It can be written as a sum of positive squares in 2 ways, for example, as 192044164 + 193961329 = 13858^2 + 13927^2 .

It is a cyclic number.

It is not a de Polignac number, because 386005493 - 2⁶ = 386005429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386005483) 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, 37388 + ... + 46581.

It is an arithmetic number, because the mean of its divisors is an integer number (96523515).

Almost surely, 2^386005493 is an apocalyptic number.

It is an amenable number.

386005493 is a deficient number, since it is larger than the sum of its proper divisors (88567).

386005493 is an equidigital number, since it uses as much as digits as its factorization.

386005493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88566.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 386005493 is about 19647.0224970605. The cubic root of 386005493 is about 728.1113957512. Note that the first 3 decimals are identical.

The spelling of 386005493 in words is "three hundred eighty-six million, five thousand, four hundred ninety-three".