19348897 has 8 divisors (see below), whose sum is σ = 20460800. Its totient is φ = 18246384.

The previous prime is 19348871. The next prime is 19348919. The reversal of 19348897 is 79884391.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-19348897 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 19348897.

It is not an unprimeable number, because it can be changed into a prime (19348807) 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 7 ways as a sum of consecutive naturals, for example, 2128 + ... + 6574.

It is an arithmetic number, because the mean of its divisors is an integer number (2557600).

Almost surely, 2^19348897 is an apocalyptic number.

It is an amenable number.

19348897 is a deficient number, since it is larger than the sum of its proper divisors (1111903).

19348897 is a wasteful number, since it uses less digits than its factorization.

19348897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695.

The product of its digits is 435456, while the sum is 49.

The square root of 19348897 is about 4398.7381145051. The cubic root of 19348897 is about 268.4635966769.

The spelling of 19348897 in words is "nineteen million, three hundred forty-eight thousand, eight hundred ninety-seven".