855481 has 8 divisors (see below), whose sum is σ = 945504. Its totient is φ = 767520.

The previous prime is 855467. The next prime is 855499. The reversal of 855481 is 184558.

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 855481 - 2¹⁵ = 822713 is a prime.

It is a super-2 number, since 2×855481² = 1463695482722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (855401) 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, 445 + ... + 1381.

It is an arithmetic number, because the mean of its divisors is an integer number (118188).

2⁸⁵⁵⁴⁸¹ is an apocalyptic number.

It is an amenable number.

855481 is a deficient number, since it is larger than the sum of its proper divisors (90023).

855481 is a wasteful number, since it uses less digits than its factorization.

855481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031.

The product of its digits is 6400, while the sum is 31.

The square root of 855481 is about 924.9221588869. The cubic root of 855481 is about 94.9299945938.

The spelling of 855481 in words is "eight hundred fifty-five thousand, four hundred eighty-one".