19484493 has 8 divisors (see below), whose sum is σ = 29690688. Its totient is φ = 11133984.

The previous prime is 19484449. The next prime is 19484497. The reversal of 19484493 is 39448491.

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

It is not a de Polignac number, because 19484493 - 2¹² = 19480397 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19484497) 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, 463896 + ... + 463937.

It is an arithmetic number, because the mean of its divisors is an integer number (3711336).

Almost surely, 2^19484493 is an apocalyptic number.

It is an amenable number.

19484493 is a deficient number, since it is larger than the sum of its proper divisors (10206195).

19484493 is an equidigital number, since it uses as much as digits as its factorization.

19484493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927843.

The product of its digits is 124416, while the sum is 42.

The square root of 19484493 is about 4414.1242619573. The cubic root of 19484493 is about 269.0892634114.

It can be divided in two parts, 1948 and 4493, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 19484493 in words is "nineteen million, four hundred eighty-four thousand, four hundred ninety-three".