400201 has 8 divisors (see below), whose sum is σ = 421344. Its totient is φ = 379680.

The previous prime is 400199. The next prime is 400207. The reversal of 400201 is 102004.

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

It is a cyclic number.

It is not a de Polignac number, because 400201 - 2¹ = 400199 is a prime.

It is a Duffinian number.

400201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (400207) 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, 1650 + ... + 1876.

It is an arithmetic number, because the mean of its divisors is an integer number (52668).

2⁴⁰⁰²⁰¹ is an apocalyptic number.

400201 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

400201 is a deficient number, since it is larger than the sum of its proper divisors (21143).

400201 is a wasteful number, since it uses less digits than its factorization.

400201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 400201 is about 632.6144165287. The cubic root of 400201 is about 73.6929694117.

Adding to 400201 its reverse (102004), we get a palindrome (502205).

The spelling of 400201 in words is "four hundred thousand, two hundred one", and thus it is an iban number.