693085 has 4 divisors (see below), whose sum is σ = 831708. Its totient is φ = 554464.

The previous prime is 693079. The next prime is 693089. The reversal of 693085 is 580396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 363609 + 329476 = 603^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 693085 - 2⁷ = 692957 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

693085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693089) 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, 69304 + ... + 69313.

It is an arithmetic number, because the mean of its divisors is an integer number (207927).

2⁶⁹³⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

693085 is a deficient number, since it is larger than the sum of its proper divisors (138623).

693085 is a wasteful number, since it uses less digits than its factorization.

693085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138622.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 693085 is about 832.5172670882. The cubic root of 693085 is about 88.4970580060.

The spelling of 693085 in words is "six hundred ninety-three thousand, eighty-five".