19380424 has 16 divisors (see below), whose sum is σ = 41529600. Its totient is φ = 8305872.

The previous prime is 19380419. The next prime is 19380451. The reversal of 19380424 is 42408391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172984 + ... + 173095.

It is an arithmetic number, because the mean of its divisors is an integer number (2595600).

Almost surely, 2^19380424 is an apocalyptic number.

19380424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19380424 is an abundant number, since it is smaller than the sum of its proper divisors (22149176).

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

19380424 is a wasteful number, since it uses less digits than its factorization.

19380424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346092 (or 346088 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 19380424 is about 4402.3202972978. The cubic root of 19380424 is about 268.6093286530.

The spelling of 19380424 in words is "nineteen million, three hundred eighty thousand, four hundred twenty-four".