19009696 has 24 divisors (see below), whose sum is σ = 38634624. Its totient is φ = 9197760.

The previous prime is 19009693. The next prime is 19009729. The reversal of 19009696 is 69690091.

It is a super-2 number, since 2×19009696² = 722737084024832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19009693) 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, 8590 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (1609776).

Almost surely, 2^19009696 is an apocalyptic number.

19009696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19009696 is an abundant number, since it is smaller than the sum of its proper divisors (19624928).

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

19009696 is a wasteful number, since it uses less digits than its factorization.

19009696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19204 (or 19196 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 19009696 is about 4360.0110091604. The cubic root of 19009696 is about 266.8855480696.

The spelling of 19009696 in words is "nineteen million, nine thousand, six hundred ninety-six".