2104393 has 4 divisors (see below), whose sum is σ = 2124928. Its totient is φ = 2083860.

The previous prime is 2104391. The next prime is 2104397. The reversal of 2104393 is 3934012.

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 2104393 - 2¹ = 2104391 is a prime.

It is a Duffinian number.

2104393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2104391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10113 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (531232).

2^2104393 is an apocalyptic number.

It is an amenable number.

2104393 is a deficient number, since it is larger than the sum of its proper divisors (20535).

2104393 is a wasteful number, since it uses less digits than its factorization.

2104393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20534.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2104393 is about 1450.6526117579. The cubic root of 2104393 is about 128.1471492939.

The spelling of 2104393 in words is "two million, one hundred four thousand, three hundred ninety-three".