38291 has 6 divisors (see below), whose sum is σ = 42492. Its totient is φ = 34220.

The previous prime is 38287. The next prime is 38299. The reversal of 38291 is 19283.

38291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38291 - 2² = 38287 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (38299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620 + ... + 678.

It is an arithmetic number, because the mean of its divisors is an integer number (7082).

2³⁸²⁹¹ is an apocalyptic number.

38291 is a deficient number, since it is larger than the sum of its proper divisors (4201).

38291 is an equidigital number, since it uses as much as digits as its factorization.

38291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 70 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 38291 is about 195.6808626310. The cubic root of 38291 is about 33.7053547773.

The spelling of 38291 in words is "thirty-eight thousand, two hundred ninety-one".