19343968 has 24 divisors (see below), whose sum is σ = 43524432. Its totient is φ = 8290176.

The previous prime is 19343963. The next prime is 19343981. The reversal of 19343968 is 86934391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19343963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42955 + ... + 43402.

It is an arithmetic number, because the mean of its divisors is an integer number (1813518).

Almost surely, 2^19343968 is an apocalyptic number.

It is an amenable number.

19343968 is an abundant number, since it is smaller than the sum of its proper divisors (24180464).

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

19343968 is an equidigital number, since it uses as much as digits as its factorization.

19343968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86374 (or 86366 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 19343968 is about 4398.1778045004. The cubic root of 19343968 is about 268.4407983154.

The spelling of 19343968 in words is "nineteen million, three hundred forty-three thousand, nine hundred sixty-eight".