19368965 has 24 divisors (see below), whose sum is σ = 29499552. Its totient is φ = 12072480.

The previous prime is 19368959. The next prime is 19368997. The reversal of 19368965 is 56986391.

It is not a de Polignac number, because 19368965 - 2⁴ = 19368949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 899 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (1229148).

Almost surely, 2^19368965 is an apocalyptic number.

It is an amenable number.

19368965 is a deficient number, since it is larger than the sum of its proper divisors (10130587).

19368965 is a wasteful number, since it uses less digits than its factorization.

19368965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217 (or 7210 counting only the distinct ones).

The product of its digits is 349920, while the sum is 47.

The square root of 19368965 is about 4401.0186320896. The cubic root of 19368965 is about 268.5563782955.

It can be divided in two parts, 1936 and 8965, that added together give a palindrome (10901).

The spelling of 19368965 in words is "nineteen million, three hundred sixty-eight thousand, nine hundred sixty-five".