19242318 has 32 divisors (see below), whose sum is σ = 39349152. Its totient is φ = 6272000.

The previous prime is 19242299. The next prime is 19242323. The reversal of 19242318 is 81324291.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 68338 + ... + 68618.

It is an arithmetic number, because the mean of its divisors is an integer number (1229661).

Almost surely, 2^19242318 is an apocalyptic number.

19242318 is an abundant number, since it is smaller than the sum of its proper divisors (20106834).

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

19242318 is a wasteful number, since it uses less digits than its factorization.

19242318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its digits is 3456, while the sum is 30.

The square root of 19242318 is about 4386.6066611904. The cubic root of 19242318 is about 267.9697652830.

The spelling of 19242318 in words is "nineteen million, two hundred forty-two thousand, three hundred eighteen".