19380893 has 8 divisors (see below), whose sum is σ = 23315520. Its totient is φ = 15737760.

The previous prime is 19380887. The next prime is 19380899. The reversal of 19380893 is 39808391.

It is an interprime number because it is at equal distance from previous prime (19380887) and next prime (19380899).

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

It is a cyclic number.

It is not a de Polignac number, because 19380893 - 2¹⁶ = 19315357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19380893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19380899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72728 + ... + 72993.

It is an arithmetic number, because the mean of its divisors is an integer number (2914440).

Almost surely, 2^19380893 is an apocalyptic number.

It is an amenable number.

19380893 is a deficient number, since it is larger than the sum of its proper divisors (3934627).

19380893 is a wasteful number, since it uses less digits than its factorization.

19380893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145747.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 19380893 is about 4402.3735643400. The cubic root of 19380893 is about 268.6114953885.

The spelling of 19380893 in words is "nineteen million, three hundred eighty thousand, eight hundred ninety-three".