19142344 has 32 divisors (see below), whose sum is σ = 39049920. Its totient is φ = 8744256.

The previous prime is 19142341. The next prime is 19142377. The reversal of 19142344 is 44324191.

It is not an unprimeable number, because it can be changed into a prime (19142341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9819 + ... + 11605.

It is an arithmetic number, because the mean of its divisors is an integer number (1220310).

Almost surely, 2^19142344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19142344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19524960).

19142344 is an abundant number, since it is smaller than the sum of its proper divisors (19907576).

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

19142344 is a wasteful number, since it uses less digits than its factorization.

19142344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1905 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 19142344 is about 4375.1964527322. The cubic root of 19142344 is about 267.5048777752.

The spelling of 19142344 in words is "nineteen million, one hundred forty-two thousand, three hundred forty-four".