693393 has 4 divisors (see below), whose sum is σ = 924528. Its totient is φ = 462260.

The previous prime is 693373. The next prime is 693397. The reversal of 693393 is 393396.

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 693393 - 2⁸ = 693137 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (693397) 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, 115563 + ... + 115568.

It is an arithmetic number, because the mean of its divisors is an integer number (231132).

2⁶⁹³³⁹³ is an apocalyptic number.

It is an amenable number.

693393 is a deficient number, since it is larger than the sum of its proper divisors (231135).

693393 is a wasteful number, since it uses less digits than its factorization.

693393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231134.

The product of its digits is 13122, while the sum is 33.

The square root of 693393 is about 832.7022276901. The cubic root of 693393 is about 88.5101651320.

The spelling of 693393 in words is "six hundred ninety-three thousand, three hundred ninety-three".