19964341 has 16 divisors (see below), whose sum is σ = 22353408. Its totient is φ = 17740800.

The previous prime is 19964339. The next prime is 19964353. The reversal of 19964341 is 14346991.

It is a cyclic number.

It is not a de Polignac number, because 19964341 - 2¹ = 19964339 is a prime.

It is a Duffinian number.

Its product of digits (23328) is a multiple of the sum of its prime divisors (972).

It is a self number, because there is not a number n which added to its sum of digits gives 19964341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19964311) 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 in 15 ways as a sum of consecutive naturals, for example, 22221 + ... + 23101.

It is an arithmetic number, because the mean of its divisors is an integer number (1397088).

Almost surely, 2^19964341 is an apocalyptic number.

It is an amenable number.

19964341 is a deficient number, since it is larger than the sum of its proper divisors (2389067).

19964341 is a wasteful number, since it uses less digits than its factorization.

19964341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 23328, while the sum is 37.

The square root of 19964341 is about 4468.1473789480. The cubic root of 19964341 is about 271.2803433249.

The spelling of 19964341 in words is "nineteen million, nine hundred sixty-four thousand, three hundred forty-one".