19482816 has 112 divisors (see below), whose sum is σ = 56180736. Its totient is φ = 5935104.

The previous prime is 19482811. The next prime is 19482821. The reversal of 19482816 is 61828491.

It is an interprime number because it is at equal distance from previous prime (19482811) and next prime (19482821).

It is not an unprimeable number, because it can be changed into a prime (19482811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153345 + ... + 153471.

Almost surely, 2^19482816 is an apocalyptic number.

19482816 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 19482816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28090368).

19482816 is an abundant number, since it is smaller than the sum of its proper divisors (36697920).

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

19482816 is a wasteful number, since it uses less digits than its factorization.

19482816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 196 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 19482816 is about 4413.9342994657. The cubic root of 19482816 is about 269.0815431585.

The spelling of 19482816 in words is "nineteen million, four hundred eighty-two thousand, eight hundred sixteen".