19381468 has 6 divisors (see below), whose sum is σ = 33917576. Its totient is φ = 9690732.

The previous prime is 19381459. The next prime is 19381477. The reversal of 19381468 is 86418391.

It is an interprime number because it is at equal distance from previous prime (19381459) and next prime (19381477).

It is a self number, because there is not a number n which added to its sum of digits gives 19381468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2422680 + ... + 2422687.

Almost surely, 2^19381468 is an apocalyptic number.

It is an amenable number.

19381468 is a deficient number, since it is larger than the sum of its proper divisors (14536108).

19381468 is a wasteful number, since it uses less digits than its factorization.

19381468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845371 (or 4845369 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 19381468 is about 4402.4388695358. The cubic root of 19381468 is about 268.6141517863.

The spelling of 19381468 in words is "nineteen million, three hundred eighty-one thousand, four hundred sixty-eight".