19342368 has 96 divisors (see below), whose sum is σ = 57496320. Its totient is φ = 6324480.

The previous prime is 19342331. The next prime is 19342369. The reversal of 19342368 is 86324391.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19342369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52521 + ... + 52887.

It is an arithmetic number, because the mean of its divisors is an integer number (598920).

Almost surely, 2^19342368 is an apocalyptic number.

19342368 is a gapful number since it is divisible by the number (18) 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 19342368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28748160).

19342368 is an abundant number, since it is smaller than the sum of its proper divisors (38153952).

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

19342368 is a wasteful number, since it uses less digits than its factorization.

19342368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 433 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 19342368 is about 4397.9959072287. The cubic root of 19342368 is about 268.4333969191.

Adding to 19342368 its sum of digits (36), we get a square (19342404 = 4398²).

The spelling of 19342368 in words is "nineteen million, three hundred forty-two thousand, three hundred sixty-eight".