854401 has 4 divisors (see below), whose sum is σ = 856900. Its totient is φ = 851904.

The previous prime is 854387. The next prime is 854407. The reversal of 854401 is 104458.

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

It can be written as a sum of positive squares in 2 ways, for example, as 767376 + 87025 = 876^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 854401 - 2⁹ = 853889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (854407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636 + ... + 1453.

It is an arithmetic number, because the mean of its divisors is an integer number (214225).

2⁸⁵⁴⁴⁰¹ is an apocalyptic number.

It is an amenable number.

854401 is a deficient number, since it is larger than the sum of its proper divisors (2499).

854401 is a wasteful number, since it uses less digits than its factorization.

854401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 854401 is about 924.3381415911. The cubic root of 854401 is about 94.8900297209.

Adding to 854401 its reverse (104458), we get a palindrome (958859).

The spelling of 854401 in words is "eight hundred fifty-four thousand, four hundred one".