19238097 has 8 divisors (see below), whose sum is σ = 26766144. Its totient is φ = 12267728.

The previous prime is 19238081. The next prime is 19238123. The reversal of 19238097 is 79083291.

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

It is a cyclic number.

It is not a de Polignac number, because 19238097 - 2⁴ = 19238081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19238497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139338 + ... + 139475.

It is an arithmetic number, because the mean of its divisors is an integer number (3345768).

Almost surely, 2^19238097 is an apocalyptic number.

It is an amenable number.

19238097 is a deficient number, since it is larger than the sum of its proper divisors (7528047).

19238097 is a wasteful number, since it uses less digits than its factorization.

19238097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278839.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 19238097 is about 4386.1255112001. The cubic root of 19238097 is about 267.9501698771.

The spelling of 19238097 in words is "nineteen million, two hundred thirty-eight thousand, ninety-seven".