19696481 has 24 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 16007712.

The previous prime is 19696471. The next prime is 19696499. The reversal of 19696481 is 18469691.

It is not a de Polignac number, because 19696481 - 2²² = 15502177 is a prime.

It is a super-2 number, since 2×19696481² = 775902727566722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19696471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117860 + ... + 118026.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^19696481 is an apocalyptic number.

It is an amenable number.

19696481 is a deficient number, since it is larger than the sum of its proper divisors (4435039).

19696481 is a wasteful number, since it uses less digits than its factorization.

19696481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 286 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 19696481 is about 4438.0717659813. The cubic root of 19696481 is about 270.0616274505.

The spelling of 19696481 in words is "nineteen million, six hundred ninety-six thousand, four hundred eighty-one".