386378493 has 16 divisors (see below), whose sum is σ = 532807680. Its totient is φ = 248906736.

The previous prime is 386378491. The next prime is 386378501. The reversal of 386378493 is 394873683.

It is not a de Polignac number, because 386378493 - 2¹ = 386378491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386378491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6205 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (33300480).

Almost surely, 2^386378493 is an apocalyptic number.

It is an amenable number.

386378493 is a deficient number, since it is larger than the sum of its proper divisors (146429187).

386378493 is a wasteful number, since it uses less digits than its factorization.

386378493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34816.

The product of its digits is 2612736, while the sum is 51.

The square root of 386378493 is about 19656.5127375127. The cubic root of 386378493 is about 728.3458467491.

The spelling of 386378493 in words is "three hundred eighty-six million, three hundred seventy-eight thousand, four hundred ninety-three".