19484474 has 8 divisors (see below), whose sum is σ = 29268480. Its totient is φ = 9728316.

The previous prime is 19484449. The next prime is 19484497. The reversal of 19484474 is 47448491.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5114 + ... + 8069.

It is an arithmetic number, because the mean of its divisors is an integer number (3658560).

Almost surely, 2^19484474 is an apocalyptic number.

19484474 is a deficient number, since it is larger than the sum of its proper divisors (9784006).

19484474 is a wasteful number, since it uses less digits than its factorization.

19484474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13924.

The product of its digits is 129024, while the sum is 41.

The square root of 19484474 is about 4414.1221097745. The cubic root of 19484474 is about 269.0891759454.

The spelling of 19484474 in words is "nineteen million, four hundred eighty-four thousand, four hundred seventy-four".