38427 has 4 divisors (see below), whose sum is σ = 51240. Its totient is φ = 25616.

The previous prime is 38393. The next prime is 38431. The reversal of 38427 is 72483.

38427 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.

It is a cyclic number.

It is not a de Polignac number, because 38427 - 2⁷ = 38299 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 38397 and 38406.

It is not an unprimeable number, because it can be changed into a prime (38447) 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, 6402 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (12810).

38427 is a Friedman number, since it can be written as 8+3+(7*2)^4, using all its digits and the basic arithmetic operations.

2³⁸⁴²⁷ is an apocalyptic number.

38427 is a deficient number, since it is larger than the sum of its proper divisors (12813).

38427 is a wasteful number, since it uses less digits than its factorization.

38427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12812.

The product of its digits is 1344, while the sum is 24.

The square root of 38427 is about 196.0280592160. The cubic root of 38427 is about 33.7452119408.

It can be divided in two parts, 38 and 427, that added together give a triangular number (465 = T₃₀).

The spelling of 38427 in words is "thirty-eight thousand, four hundred twenty-seven".