38819 has 4 divisors (see below), whose sum is σ = 42360. Its totient is φ = 35280.

The previous prime is 38803. The next prime is 38821. The reversal of 38819 is 91883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91883 = 11 ⋅8353.

It is a cyclic number.

It is not a de Polignac number, because 38819 - 2⁴ = 38803 is a prime.

It is a super-2 number, since 2×38819² = 3013829522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38791 and 38800.

It is not an unprimeable number, because it can be changed into a prime (38839) 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, 1754 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (10590).

2³⁸⁸¹⁹ is an apocalyptic number.

38819 is a deficient number, since it is larger than the sum of its proper divisors (3541).

38819 is a wasteful number, since it uses less digits than its factorization.

38819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540.

The product of its digits is 1728, while the sum is 29.

The square root of 38819 is about 197.0253790759. The cubic root of 38819 is about 33.8595707297.

The spelling of 38819 in words is "thirty-eight thousand, eight hundred nineteen".