38879617 has 4 divisors (see below), whose sum is σ = 44433856. Its totient is φ = 33325380.

The previous prime is 38879597. The next prime is 38879623. The reversal of 38879617 is 71697883.

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: 71697883 = 3643 ⋅19681.

It is a cyclic number.

It is not a de Polignac number, because 38879617 - 2¹¹ = 38877569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38879677) 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, 2777109 + ... + 2777122.

It is an arithmetic number, because the mean of its divisors is an integer number (11108464).

Almost surely, 2^38879617 is an apocalyptic number.

It is an amenable number.

38879617 is a deficient number, since it is larger than the sum of its proper divisors (5554239).

38879617 is an equidigital number, since it uses as much as digits as its factorization.

38879617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554238.

The product of its digits is 508032, while the sum is 49.

The square root of 38879617 is about 6235.3521953455. The cubic root of 38879617 is about 338.7718579960.

The spelling of 38879617 in words is "thirty-eight million, eight hundred seventy-nine thousand, six hundred seventeen".