19297089 has 16 divisors (see below), whose sum is σ = 32672640. Its totient is φ = 11026800.

The previous prime is 19297079. The next prime is 19297127. The reversal of 19297089 is 98079291.

It is not a de Polignac number, because 19297089 - 2⁷ = 19296961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19297009) 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 15 ways as a sum of consecutive naturals, for example, 50862 + ... + 51239.

It is an arithmetic number, because the mean of its divisors is an integer number (2042040).

Almost surely, 2^19297089 is an apocalyptic number.

It is an amenable number.

19297089 is a deficient number, since it is larger than the sum of its proper divisors (13375551).

19297089 is a wasteful number, since it uses less digits than its factorization.

19297089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102117 (or 102111 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 19297089 is about 4392.8452055587. The cubic root of 19297089 is about 268.2237725976.

The spelling of 19297089 in words is "nineteen million, two hundred ninety-seven thousand, eighty-nine".