669201 has 8 divisors (see below), whose sum is σ = 960960. Its totient is φ = 411792.

The previous prime is 669181. The next prime is 669241. The reversal of 669201 is 102966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 669201 - 2¹³ = 661009 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 669201.

It is not an unprimeable number, because it can be changed into a prime (669241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8541 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (120120).

2⁶⁶⁹²⁰¹ is an apocalyptic number.

It is an amenable number.

669201 is a deficient number, since it is larger than the sum of its proper divisors (291759).

669201 is a wasteful number, since it uses less digits than its factorization.

669201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 669201 is about 818.0470646607. The cubic root of 669201 is about 87.4686037019.

The spelling of 669201 in words is "six hundred sixty-nine thousand, two hundred one".