801854 has 4 divisors (see below), whose sum is σ = 1202784. Its totient is φ = 400926.

The previous prime is 801841. The next prime is 801859. The reversal of 801854 is 458108.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801859) 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 as a sum of consecutive naturals, namely, 200462 + ... + 200465.

It is an arithmetic number, because the mean of its divisors is an integer number (300696).

2⁸⁰¹⁸⁵⁴ is an apocalyptic number.

801854 is a deficient number, since it is larger than the sum of its proper divisors (400930).

801854 is a wasteful number, since it uses less digits than its factorization.

801854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400929.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 801854 is about 895.4630087279. The cubic root of 801854 is about 92.9034338930.

The spelling of 801854 in words is "eight hundred one thousand, eight hundred fifty-four".