19380992 has 18 divisors (see below), whose sum is σ = 38686788. Its totient is φ = 9690368.

The previous prime is 19380971. The next prime is 19381009. The reversal of 19380992 is 29908391.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37598 + ... + 38109.

It is an arithmetic number, because the mean of its divisors is an integer number (2149266).

Almost surely, 2^19380992 is an apocalyptic number.

It is an amenable number.

19380992 is a deficient number, since it is larger than the sum of its proper divisors (19305796).

19380992 is an frugal number, since it uses more digits than its factorization.

19380992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75723 (or 75709 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 19380992 is about 4402.3848082602. The cubic root of 19380992 is about 268.6119527546.

The spelling of 19380992 in words is "nineteen million, three hundred eighty thousand, nine hundred ninety-two".