19992096 has 84 divisors (see below), whose sum is σ = 59081022. Its totient is φ = 6656256.

The previous prime is 19992067. The next prime is 19992103. The reversal of 19992096 is 69029991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 7290000 = 3564^2 + 2700^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 22900 + ... + 23756.

Almost surely, 2^19992096 is an apocalyptic number.

19992096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19992096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29540511).

19992096 is an abundant number, since it is smaller than the sum of its proper divisors (39088926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19992096 is an frugal number, since it uses more digits than its factorization.

19992096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 19992096 is about 4471.2521736086. The cubic root of 19992096 is about 271.4059990199.

It can be divided in two parts, 1999 and 2096, that added together give a triangular number (4095 = T₉₀).

The spelling of 19992096 in words is "nineteen million, nine hundred ninety-two thousand, ninety-six".