19242336 has 48 divisors (see below), whose sum is σ = 50791104. Its totient is φ = 6378624.

The previous prime is 19242323. The next prime is 19242337. The reversal of 19242336 is 63324291.

19242336 = T₂₉₃ + T₂₉₄ + ... + T₅₁₉.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21351 + ... + 22233.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^19242336 is an apocalyptic number.

19242336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19242336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25395552).

19242336 is an abundant number, since it is smaller than the sum of its proper divisors (31548768).

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

19242336 is a wasteful number, since it uses less digits than its factorization.

19242336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123 (or 1115 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 19242336 is about 4386.6087128897. The cubic root of 19242336 is about 267.9698488394.

The spelling of 19242336 in words is "nineteen million, two hundred forty-two thousand, three hundred thirty-six".