19330493 has 8 divisors (see below), whose sum is σ = 23791488. Its totient is φ = 15294384.

The previous prime is 19330483. The next prime is 19330517. The reversal of 19330493 is 39403391.

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

It is not a de Polignac number, because 19330493 - 2⁴ = 19330477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19330403) 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, 106121 + ... + 106302.

It is an arithmetic number, because the mean of its divisors is an integer number (2973936).

Almost surely, 2^19330493 is an apocalyptic number.

19330493 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19330493 is a deficient number, since it is larger than the sum of its proper divisors (4460995).

19330493 is a wasteful number, since it uses less digits than its factorization.

19330493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212443.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 19330493 is about 4396.6456532225. The cubic root of 19330493 is about 268.3784519205.

The spelling of 19330493 in words is "nineteen million, three hundred thirty thousand, four hundred ninety-three".