39091 has 8 divisors (see below), whose sum is σ = 43904. Its totient is φ = 34560.

The previous prime is 39089. The next prime is 39097. The reversal of 39091 is 19093.

39091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 8-Lehmer number, since φ(39091) divides (39091-1)⁸.

It is a cyclic number.

It is not a de Polignac number, because 39091 - 2¹ = 39089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (5488).

2³⁹⁰⁹¹ is an apocalyptic number.

39091 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

39091 is a deficient number, since it is larger than the sum of its proper divisors (4813).

39091 is a wasteful number, since it uses less digits than its factorization.

39091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 39091 is about 197.7144405449. The cubic root of 39091 is about 33.9384700310.

The spelling of 39091 in words is "thirty-nine thousand, ninety-one".