19007968 has 24 divisors (see below), whose sum is σ = 42768432. Its totient is φ = 8146176.

The previous prime is 19007951. The next prime is 19007981. The reversal of 19007968 is 86970091.

It is a super-2 number, since 2×19007968² = 722605694978048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19007968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42205 + ... + 42652.

It is an arithmetic number, because the mean of its divisors is an integer number (1782018).

Almost surely, 2^19007968 is an apocalyptic number.

It is an amenable number.

19007968 is an abundant number, since it is smaller than the sum of its proper divisors (23760464).

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

19007968 is an equidigital number, since it uses as much as digits as its factorization.

19007968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84874 (or 84866 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 19007968 is about 4359.8128400196. The cubic root of 19007968 is about 266.8774611053.

The spelling of 19007968 in words is "nineteen million, seven thousand, nine hundred sixty-eight".