19696461 has 4 divisors (see below), whose sum is σ = 26261952. Its totient is φ = 13130972.

The previous prime is 19696447. The next prime is 19696463. The reversal of 19696461 is 16469691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19696461 - 2¹¹ = 19694413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19696463) 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, 3282741 + ... + 3282746.

It is an arithmetic number, because the mean of its divisors is an integer number (6565488).

Almost surely, 2^19696461 is an apocalyptic number.

It is an amenable number.

19696461 is a deficient number, since it is larger than the sum of its proper divisors (6565491).

19696461 is an equidigital number, since it uses as much as digits as its factorization.

19696461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565490.

The product of its digits is 69984, while the sum is 42.

The square root of 19696461 is about 4438.0695127499. The cubic root of 19696461 is about 270.0615360428.

The spelling of 19696461 in words is "nineteen million, six hundred ninety-six thousand, four hundred sixty-one".