2016393 has 4 divisors (see below), whose sum is σ = 2688528. Its totient is φ = 1344260.

The previous prime is 2016373. The next prime is 2016397. The reversal of 2016393 is 3936102.

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 2016393 - 2⁵ = 2016361 is a prime.

It is a D-number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (2016397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336063 + ... + 336068.

It is an arithmetic number, because the mean of its divisors is an integer number (672132).

2^2016393 is an apocalyptic number.

It is an amenable number.

2016393 is a deficient number, since it is larger than the sum of its proper divisors (672135).

2016393 is an equidigital number, since it uses as much as digits as its factorization.

2016393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672134.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2016393 is about 1419.9975352091. The cubic root of 2016393 is about 126.3354001808.

The spelling of 2016393 in words is "two million, sixteen thousand, three hundred ninety-three".