19344993 has 8 divisors (see below), whose sum is σ = 26030400. Its totient is φ = 12778128.

The previous prime is 19344973. The next prime is 19345013. The reversal of 19344993 is 39944391.

It is an interprime number because it is at equal distance from previous prime (19344973) and next prime (19345013).

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

It is not a de Polignac number, because 19344993 - 2¹⁸ = 19082849 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (19344973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29253 + ... + 29906.

It is an arithmetic number, because the mean of its divisors is an integer number (3253800).

Almost surely, 2^19344993 is an apocalyptic number.

It is an amenable number.

19344993 is a deficient number, since it is larger than the sum of its proper divisors (6685407).

19344993 is a wasteful number, since it uses less digits than its factorization.

19344993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59271.

The product of its digits is 104976, while the sum is 42.

The square root of 19344993 is about 4398.2943284869. The cubic root of 19344993 is about 268.4455396204.

The spelling of 19344993 in words is "nineteen million, three hundred forty-four thousand, nine hundred ninety-three".