854981 has 8 divisors (see below), whose sum is σ = 953280. Its totient is φ = 762048.

The previous prime is 854963. The next prime is 854993. The reversal of 854981 is 189458.

854981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 854981 - 2¹⁴ = 838597 is a prime.

It is a super-2 number, since 2×854981² = 1461985020722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854921) 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, 1001 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (119160).

2⁸⁵⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

854981 is a deficient number, since it is larger than the sum of its proper divisors (98299).

854981 is a wasteful number, since it uses less digits than its factorization.

854981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683.

The product of its digits is 11520, while the sum is 35.

The square root of 854981 is about 924.6518263649. The cubic root of 854981 is about 94.9114965218.

The spelling of 854981 in words is "eight hundred fifty-four thousand, nine hundred eighty-one".