19923296 has 12 divisors (see below), whose sum is σ = 39224052. Its totient is φ = 9961632.

The previous prime is 19923259. The next prime is 19923301. The reversal of 19923296 is 69232991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311270 + ... + 311333.

It is an arithmetic number, because the mean of its divisors is an integer number (3268671).

Almost surely, 2^19923296 is an apocalyptic number.

19923296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19923296 is a deficient number, since it is larger than the sum of its proper divisors (19300756).

19923296 is an equidigital number, since it uses as much as digits as its factorization.

19923296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622613 (or 622605 counting only the distinct ones).

The product of its digits is 52488, while the sum is 41.

The square root of 19923296 is about 4463.5519488407. The cubic root of 19923296 is about 271.0943059447.

The spelling of 19923296 in words is "nineteen million, nine hundred twenty-three thousand, two hundred ninety-six".