19974896 has 20 divisors (see below), whose sum is σ = 38816712. Its totient is φ = 9957696.

The previous prime is 19974887. The next prime is 19974901. The reversal of 19974896 is 69847991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 4295 + ... + 7641.

Almost surely, 2^19974896 is an apocalyptic number.

19974896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19974896 is a deficient number, since it is larger than the sum of its proper divisors (18841816).

19974896 is a wasteful number, since it uses less digits than its factorization.

19974896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728 (or 3722 counting only the distinct ones).

The product of its digits is 979776, while the sum is 53.

The square root of 19974896 is about 4469.3283611746. The cubic root of 19974896 is about 271.3281428750.

The spelling of 19974896 in words is "nineteen million, nine hundred seventy-four thousand, eight hundred ninety-six".