38091933 has 24 divisors (see below), whose sum is σ = 62637120. Its totient is φ = 22080960.

The previous prime is 38091931. The next prime is 38091943. The reversal of 38091933 is 33919083.

38091933 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 38091933 - 2¹ = 38091931 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38091931) 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 23 ways as a sum of consecutive naturals, for example, 6088 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (2609880).

Almost surely, 2^38091933 is an apocalyptic number.

38091933 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

38091933 is a deficient number, since it is larger than the sum of its proper divisors (24545187).

38091933 is a wasteful number, since it uses less digits than its factorization.

38091933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16769 (or 16766 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 38091933 is about 6171.8662493609. The cubic root of 38091933 is about 336.4684420580.

The spelling of 38091933 in words is "thirty-eight million, ninety-one thousand, nine hundred thirty-three".