19340965 has 16 divisors (see below), whose sum is σ = 26962560. Its totient is φ = 13043520.

The previous prime is 19340963. The next prime is 19340983. The reversal of 19340965 is 56904391.

It is not a de Polignac number, because 19340965 - 2¹ = 19340963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19340963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395 + ... + 6664.

It is an arithmetic number, because the mean of its divisors is an integer number (1685160).

Almost surely, 2^19340965 is an apocalyptic number.

It is an amenable number.

19340965 is a deficient number, since it is larger than the sum of its proper divisors (7621595).

19340965 is an equidigital number, since it uses as much as digits as its factorization.

19340965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 19340965 is about 4397.8363998676. The cubic root of 19340965 is about 268.4269064838.

The spelling of 19340965 in words is "nineteen million, three hundred forty thousand, nine hundred sixty-five".