19119424 has 28 divisors (see below), whose sum is σ = 40174164. Its totient is φ = 8996864.

The previous prime is 19119421. The next prime is 19119427. The reversal of 19119424 is 42491191.

It is an interprime number because it is at equal distance from previous prime (19119421) and next prime (19119427).

It can be written as a sum of positive squares in 2 ways, for example, as 14137600 + 4981824 = 3760^2 + 2232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19119421) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 7699 + ... + 9874.

Almost surely, 2^19119424 is an apocalyptic number.

It is an amenable number.

19119424 is an abundant number, since it is smaller than the sum of its proper divisors (21054740).

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

19119424 is a wasteful number, since it uses less digits than its factorization.

19119424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17602 (or 17592 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 19119424 is about 4372.5763572521. The cubic root of 19119424 is about 267.3980698788.

The spelling of 19119424 in words is "nineteen million, one hundred nineteen thousand, four hundred twenty-four".