19096381 has 4 divisors (see below), whose sum is σ = 19218172. Its totient is φ = 18974592.

The previous prime is 19096369. The next prime is 19096393. The reversal of 19096381 is 18369091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18369091 = 13 ⋅1413007.

It is an interprime number because it is at equal distance from previous prime (19096369) and next prime (19096393).

It can be written as a sum of positive squares in 2 ways, for example, as 13616100 + 5480281 = 3690^2 + 2341^2 .

It is a cyclic number.

It is not a de Polignac number, because 19096381 - 2¹¹ = 19094333 is a prime.

It is a super-2 number, since 2×19096381² = 729343534594322, which contains 22 as substring.

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 19096381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19096361) by changing a digit.

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, 60660 + ... + 60973.

It is an arithmetic number, because the mean of its divisors is an integer number (4804543).

Almost surely, 2^19096381 is an apocalyptic number.

It is an amenable number.

19096381 is a deficient number, since it is larger than the sum of its proper divisors (121791).

19096381 is a wasteful number, since it uses less digits than its factorization.

19096381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121790.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 19096381 is about 4369.9406174455. The cubic root of 19096381 is about 267.2906027160.

The spelling of 19096381 in words is "nineteen million, ninety-six thousand, three hundred eighty-one".