693506 has 16 divisors (see below), whose sum is σ = 1175040. Its totient is φ = 304080.

The previous prime is 693503. The next prime is 693523. The reversal of 693506 is 605396.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (693503) 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 7 ways as a sum of consecutive naturals, for example, 95 + ... + 1181.

It is an arithmetic number, because the mean of its divisors is an integer number (73440).

2⁶⁹³⁵⁰⁶ is an apocalyptic number.

693506 is a deficient number, since it is larger than the sum of its proper divisors (481534).

693506 is a wasteful number, since it uses less digits than its factorization.

693506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 693506 is about 832.7700763116. The cubic root of 693506 is about 88.5149729420.

The spelling of 693506 in words is "six hundred ninety-three thousand, five hundred six".