38685299 has 4 divisors (see below), whose sum is σ = 39040320. Its totient is φ = 38330280.

The previous prime is 38685289. The next prime is 38685341. The reversal of 38685299 is 99258683.

38685299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99258683 = 31 ⋅3201893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38685299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38685209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177347 + ... + 177564.

It is an arithmetic number, because the mean of its divisors is an integer number (9760080).

Almost surely, 2^38685299 is an apocalyptic number.

38685299 is a deficient number, since it is larger than the sum of its proper divisors (355021).

38685299 is a wasteful number, since it uses less digits than its factorization.

38685299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355020.

The product of its digits is 933120, while the sum is 50.

The square root of 38685299 is about 6219.7507184774. The cubic root of 38685299 is about 338.2065279584.

The spelling of 38685299 in words is "thirty-eight million, six hundred eighty-five thousand, two hundred ninety-nine".