19436968 has 16 divisors (see below), whose sum is σ = 36989280. Its totient is φ = 9573168.

The previous prime is 19436959. The next prime is 19436971. The reversal of 19436968 is 86963491.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17596 + ... + 18667.

It is an arithmetic number, because the mean of its divisors is an integer number (2311830).

Almost surely, 2^19436968 is an apocalyptic number.

It is an amenable number.

19436968 is a deficient number, since it is larger than the sum of its proper divisors (17552312).

19436968 is a wasteful number, since it uses less digits than its factorization.

19436968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36336 (or 36332 counting only the distinct ones).

The product of its digits is 279936, while the sum is 46.

The square root of 19436968 is about 4408.7376878195. The cubic root of 19436968 is about 268.8703050345.

It can be divided in two parts, 1943 and 6968, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 19436968 in words is "nineteen million, four hundred thirty-six thousand, nine hundred sixty-eight".