38899 has 4 divisors (see below), whose sum is σ = 44464. Its totient is φ = 33336.

The previous prime is 38891. The next prime is 38903. The reversal of 38899 is 99883.

38899 = 78² + 79² + ... + 83².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38899 - 2³ = 38891 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (38891) 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, 2772 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (11116).

2³⁸⁸⁹⁹ is an apocalyptic number.

38899 is a deficient number, since it is larger than the sum of its proper divisors (5565).

38899 is an equidigital number, since it uses as much as digits as its factorization.

38899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5564.

The product of its digits is 15552, while the sum is 37.

The square root of 38899 is about 197.2282941162. The cubic root of 38899 is about 33.8828145622.

The spelling of 38899 in words is "thirty-eight thousand, eight hundred ninety-nine".