19242330 has 16 divisors (see below), whose sum is σ = 46181664. Its totient is φ = 5131280.

The previous prime is 19242323. The next prime is 19242337. The reversal of 19242330 is 3324291.

It is an interprime number because it is at equal distance from previous prime (19242323) and next prime (19242337).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19242330.

It is not an unprimeable number, because it can be changed into a prime (19242337) 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 7 ways as a sum of consecutive naturals, for example, 320676 + ... + 320735.

It is an arithmetic number, because the mean of its divisors is an integer number (2886354).

Almost surely, 2^19242330 is an apocalyptic number.

19242330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19242330 is an abundant number, since it is smaller than the sum of its proper divisors (26939334).

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

19242330 is a wasteful number, since it uses less digits than its factorization.

19242330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641421.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 19242330 is about 4386.6080289901. The cubic root of 19242330 is about 267.9698209873.

The spelling of 19242330 in words is "nineteen million, two hundred forty-two thousand, three hundred thirty".