16965393 has 4 divisors (see below), whose sum is σ = 22620528. Its totient is φ = 11310260.

The previous prime is 16965383. The next prime is 16965407. The reversal of 16965393 is 39356961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16965393 - 2⁹ = 16964881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16965383) 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 3 ways as a sum of consecutive naturals, for example, 2827563 + ... + 2827568.

It is an arithmetic number, because the mean of its divisors is an integer number (5655132).

Almost surely, 2^16965393 is an apocalyptic number.

It is an amenable number.

16965393 is a deficient number, since it is larger than the sum of its proper divisors (5655135).

16965393 is an equidigital number, since it uses as much as digits as its factorization.

16965393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655134.

The product of its digits is 131220, while the sum is 42.

The square root of 16965393 is about 4118.9067724337. The cubic root of 16965393 is about 256.9535614337.

The spelling of 16965393 in words is "sixteen million, nine hundred sixty-five thousand, three hundred ninety-three".