19042896 has 80 divisors (see below), whose sum is σ = 52568064. Its totient is φ = 5926272.

The previous prime is 19042889. The next prime is 19042909. The reversal of 19042896 is 69824091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51705 + ... + 52071.

Almost surely, 2^19042896 is an apocalyptic number.

19042896 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 19042896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26284032).

19042896 is an abundant number, since it is smaller than the sum of its proper divisors (33525168).

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

19042896 is a wasteful number, since it uses less digits than its factorization.

19042896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 19042896 is about 4363.8166780927. The cubic root of 19042896 is about 267.0408275459.

The spelling of 19042896 in words is "nineteen million, forty-two thousand, eight hundred ninety-six".