19469968 has 20 divisors (see below), whose sum is σ = 43112320. Its totient is φ = 8344224.

The previous prime is 19469963. The next prime is 19469971. The reversal of 19469968 is 86996491.

It is not an unprimeable number, because it can be changed into a prime (19469963) 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, 86808 + ... + 87031.

It is an arithmetic number, because the mean of its divisors is an integer number (2155616).

Almost surely, 2^19469968 is an apocalyptic number.

It is an amenable number.

19469968 is an abundant number, since it is smaller than the sum of its proper divisors (23642352).

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

19469968 is a wasteful number, since it uses less digits than its factorization.

19469968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173854 (or 173848 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The square root of 19469968 is about 4412.4786685037. The cubic root of 19469968 is about 269.0223812816.

The spelling of 19469968 in words is "nineteen million, four hundred sixty-nine thousand, nine hundred sixty-eight".