286401 has 4 divisors (see below), whose sum is σ = 381872. Its totient is φ = 190932.

The previous prime is 286397. The next prime is 286411. The reversal of 286401 is 104682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 286401 - 2² = 286397 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 286401.

It is not an unprimeable number, because it can be changed into a prime (286411) 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, 47731 + ... + 47736.

It is an arithmetic number, because the mean of its divisors is an integer number (95468).

2²⁸⁶⁴⁰¹ is an apocalyptic number.

It is an amenable number.

286401 is a deficient number, since it is larger than the sum of its proper divisors (95471).

286401 is an equidigital number, since it uses as much as digits as its factorization.

286401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95470.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 286401 is about 535.1644607034. The cubic root of 286401 is about 65.9161009227.

The spelling of 286401 in words is "two hundred eighty-six thousand, four hundred one".