693667 has 4 divisors (see below), whose sum is σ = 747040. Its totient is φ = 640296.

The previous prime is 693661. The next prime is 693677. The reversal of 693667 is 766396.

693667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 693667 - 2³ = 693659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693661) 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, 26667 + ... + 26692.

It is an arithmetic number, because the mean of its divisors is an integer number (186760).

2⁶⁹³⁶⁶⁷ is an apocalyptic number.

693667 is a deficient number, since it is larger than the sum of its proper divisors (53373).

693667 is a wasteful number, since it uses less digits than its factorization.

693667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53372.

The product of its digits is 40824, while the sum is 37.

The square root of 693667 is about 832.8667360388. The cubic root of 693667 is about 88.5218221055.

The spelling of 693667 in words is "six hundred ninety-three thousand, six hundred sixty-seven".