19097361 has 12 divisors (see below), whose sum is σ = 27650688. Its totient is φ = 12701304.

The previous prime is 19097357. The next prime is 19097417. The reversal of 19097361 is 16379091.

It is not a de Polignac number, because 19097361 - 2² = 19097357 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (19097321) 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 11 ways as a sum of consecutive naturals, for example, 1876 + ... + 6458.

It is an arithmetic number, because the mean of its divisors is an integer number (2304224).

Almost surely, 2^19097361 is an apocalyptic number.

It is an amenable number.

19097361 is a deficient number, since it is larger than the sum of its proper divisors (8553327).

19097361 is a wasteful number, since it uses less digits than its factorization.

19097361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052 (or 5049 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 19097361 is about 4370.0527456771. The cubic root of 19097361 is about 267.2951749664.

The spelling of 19097361 in words is "nineteen million, ninety-seven thousand, three hundred sixty-one".