38379613 has 4 divisors (see below), whose sum is σ = 38486880. Its totient is φ = 38272348.

The previous prime is 38379541. The next prime is 38379631. The reversal of 38379613 is 31697383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31697383 = 1297 ⋅24439.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38379613 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38379113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53095 + ... + 53812.

It is an arithmetic number, because the mean of its divisors is an integer number (9621720).

Almost surely, 2^38379613 is an apocalyptic number.

It is an amenable number.

38379613 is a deficient number, since it is larger than the sum of its proper divisors (107267).

38379613 is a wasteful number, since it uses less digits than its factorization.

38379613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107266.

The product of its digits is 81648, while the sum is 40.

The square root of 38379613 is about 6195.1281665515. The cubic root of 38379613 is about 337.3133504760.

The spelling of 38379613 in words is "thirty-eight million, three hundred seventy-nine thousand, six hundred thirteen".