1005393 has 4 divisors (see below), whose sum is σ = 1340528. Its totient is φ = 670260.

The previous prime is 1005391. The next prime is 1005409. The reversal of 1005393 is 3935001.

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 not a de Polignac number, because 1005393 - 2¹ = 1005391 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005391) 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, 167563 + ... + 167568.

It is an arithmetic number, because the mean of its divisors is an integer number (335132).

2^1005393 is an apocalyptic number.

It is an amenable number.

1005393 is a deficient number, since it is larger than the sum of its proper divisors (335135).

1005393 is an equidigital number, since it uses as much as digits as its factorization.

1005393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335134.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1005393 is about 1002.6928742142. The cubic root of 1005393 is about 100.1794444709.

The spelling of 1005393 in words is "one million, five thousand, three hundred ninety-three".