383138395 has 4 divisors (see below), whose sum is σ = 459766080. Its totient is φ = 306510712.

The previous prime is 383138381. The next prime is 383138411. The reversal of 383138395 is 593831383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593831383 = 223 ⋅2662921.

It is a cyclic number.

It is not a de Polignac number, because 383138395 - 2⁹ = 383137883 is a prime.

It is an unprimeable number.

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, 38313835 + ... + 38313844.

It is an arithmetic number, because the mean of its divisors is an integer number (114941520).

Almost surely, 2^383138395 is an apocalyptic number.

383138395 is a deficient number, since it is larger than the sum of its proper divisors (76627685).

383138395 is an equidigital number, since it uses as much as digits as its factorization.

383138395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76627684.

The product of its digits is 233280, while the sum is 43.

The square root of 383138395 is about 19573.9212985033. The cubic root of 383138395 is about 726.3042049713.

The spelling of 383138395 in words is "three hundred eighty-three million, one hundred thirty-eight thousand, three hundred ninety-five".