831201 has 8 divisors (see below), whose sum is σ = 1266624. Its totient is φ = 474960.

The previous prime is 831191. The next prime is 831217. The reversal of 831201 is 102138.

It is a happy number.

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

It is not a de Polignac number, because 831201 - 2⁷ = 831073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (831221) 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 7 ways as a sum of consecutive naturals, for example, 19770 + ... + 19811.

It is an arithmetic number, because the mean of its divisors is an integer number (158328).

2⁸³¹²⁰¹ is an apocalyptic number.

It is an amenable number.

831201 is a deficient number, since it is larger than the sum of its proper divisors (435423).

831201 is a wasteful number, since it uses less digits than its factorization.

831201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39591.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 831201 is about 911.7022540281. The cubic root of 831201 is about 94.0232702310.

Adding to 831201 its reverse (102138), we get a palindrome (933339).

The spelling of 831201 in words is "eight hundred thirty-one thousand, two hundred one".