19885068 has 96 divisors (see below), whose sum is σ = 61017600. Its totient is φ = 5479488.

The previous prime is 19885067. The next prime is 19885079. The reversal of 19885068 is 86058891.

It is not an unprimeable number, because it can be changed into a prime (19885067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21471 + ... + 22377.

It is an arithmetic number, because the mean of its divisors is an integer number (635600).

Almost surely, 2^19885068 is an apocalyptic number.

19885068 is a gapful number since it is divisible by the number (18) 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 19885068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30508800).

19885068 is an abundant number, since it is smaller than the sum of its proper divisors (41132532).

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

19885068 is a wasteful number, since it uses less digits than its factorization.

19885068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The square root of 19885068 is about 4459.2676528775. The cubic root of 19885068 is about 270.9208067324.

It can be divided in two parts, 1988 and 5068, that added together give a square (7056 = 84²).

The spelling of 19885068 in words is "nineteen million, eight hundred eighty-five thousand, sixty-eight".