19479468 has 12 divisors (see below), whose sum is σ = 45452120. Its totient is φ = 6493152.

The previous prime is 19479451. The next prime is 19479487. The reversal of 19479468 is 86497491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×19479468³ (a number of 23 digits) contains 333 as substring.

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, 811633 + ... + 811656.

Almost surely, 2^19479468 is an apocalyptic number.

It is an amenable number.

19479468 is an abundant number, since it is smaller than the sum of its proper divisors (25972652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19479468 is a wasteful number, since it uses less digits than its factorization.

19479468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623296 (or 1623294 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 19479468 is about 4413.5550296785. Note that the first 3 decimals coincide. The cubic root of 19479468 is about 269.0661289492.

The spelling of 19479468 in words is "nineteen million, four hundred seventy-nine thousand, four hundred sixty-eight".