19770896 has 20 divisors (see below), whose sum is σ = 38879952. Its totient is φ = 9737376.

The previous prime is 19770889. The next prime is 19770899. The reversal of 19770896 is 69807791.

It is a self number, because there is not a number n which added to its sum of digits gives 19770896.

It is not an unprimeable number, because it can be changed into a prime (19770899) 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 3 ways as a sum of consecutive naturals, for example, 8150 + ... + 10293.

Almost surely, 2^19770896 is an apocalyptic number.

19770896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19770896 is a deficient number, since it is larger than the sum of its proper divisors (19109056).

19770896 is a wasteful number, since it uses less digits than its factorization.

19770896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18518 (or 18512 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The square root of 19770896 is about 4446.4475708143. The cubic root of 19770896 is about 270.4013053868.

The spelling of 19770896 in words is "nineteen million, seven hundred seventy thousand, eight hundred ninety-six".