386733493 has 4 divisors (see below), whose sum is σ = 409482540. Its totient is φ = 363984448.

The previous prime is 386733433. The next prime is 386733539. The reversal of 386733493 is 394337683.

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 119639844 + 267093649 = 10938^2 + 16343^2 .

It is a cyclic number.

It is not a de Polignac number, because 386733493 - 2¹³ = 386725301 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 (386733433) 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, 11374498 + ... + 11374531.

It is an arithmetic number, because the mean of its divisors is an integer number (102370635).

Almost surely, 2^386733493 is an apocalyptic number.

It is an amenable number.

386733493 is a deficient number, since it is larger than the sum of its proper divisors (22749047).

386733493 is a wasteful number, since it uses less digits than its factorization.

386733493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22749046.

The product of its digits is 979776, while the sum is 46.

The square root of 386733493 is about 19665.5407502565. The cubic root of 386733493 is about 728.5688436572.

The spelling of 386733493 in words is "three hundred eighty-six million, seven hundred thirty-three thousand, four hundred ninety-three".