387313238 has 32 divisors (see below), whose sum is σ = 656474112. Its totient is φ = 170042400.

The previous prime is 387313231. The next prime is 387313243. The reversal of 387313238 is 832313783.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387313231) 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 15 ways as a sum of consecutive naturals, for example, 112523 + ... + 115913.

It is an arithmetic number, because the mean of its divisors is an integer number (20514816).

Almost surely, 2^387313238 is an apocalyptic number.

387313238 is a deficient number, since it is larger than the sum of its proper divisors (269160874).

387313238 is a wasteful number, since it uses less digits than its factorization.

387313238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620.

The product of its digits is 72576, while the sum is 38.

The square root of 387313238 is about 19680.2753537647. The cubic root of 387313238 is about 728.9327232321.

The spelling of 387313238 in words is "three hundred eighty-seven million, three hundred thirteen thousand, two hundred thirty-eight".