38088091 has 4 divisors (see below), whose sum is σ = 38115000. Its totient is φ = 38061184.

The previous prime is 38087983. The next prime is 38088097. The reversal of 38088091 is 19088083.

38088091 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 38088091 - 2⁷ = 38087963 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38088091.

It is not an unprimeable number, because it can be changed into a prime (38088097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11206 + ... + 14203.

It is an arithmetic number, because the mean of its divisors is an integer number (9528750).

Almost surely, 2^38088091 is an apocalyptic number.

38088091 is a deficient number, since it is larger than the sum of its proper divisors (26909).

38088091 is a wasteful number, since it uses less digits than its factorization.

38088091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26908.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 38088091 is about 6171.5549904380. The cubic root of 38088091 is about 336.4571294684.

The spelling of 38088091 in words is "thirty-eight million, eighty-eight thousand, ninety-one".