19336868 has 6 divisors (see below), whose sum is σ = 33839526. Its totient is φ = 9668432.

The previous prime is 19336861. The next prime is 19336873. The reversal of 19336868 is 86863391.

It can be written as a sum of positive squares in only one way, i.e., 18731584 + 605284 = 4328^2 + 778^2 .

It is not an unprimeable number, because it can be changed into a prime (19336861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2417105 + ... + 2417112.

It is an arithmetic number, because the mean of its divisors is an integer number (5639921).

Almost surely, 2^19336868 is an apocalyptic number.

It is an amenable number.

19336868 is a deficient number, since it is larger than the sum of its proper divisors (14502658).

19336868 is a wasteful number, since it uses less digits than its factorization.

19336868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834221 (or 4834219 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 19336868 is about 4397.3705779704. The cubic root of 19336868 is about 268.4079515058.

The spelling of 19336868 in words is "nineteen million, three hundred thirty-six thousand, eight hundred sixty-eight".