852981 has 8 divisors (see below), whose sum is σ = 1145184. Its totient is φ = 564720.

The previous prime is 852959. The next prime is 852989. The reversal of 852981 is 189258.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 852981 - 2¹⁰ = 851957 is a prime.

It is a super-2 number, since 2×852981² = 1455153172722, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (852989) 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, 435 + ... + 1376.

It is an arithmetic number, because the mean of its divisors is an integer number (143148).

2⁸⁵²⁹⁸¹ is an apocalyptic number.

It is an amenable number.

852981 is a deficient number, since it is larger than the sum of its proper divisors (292203).

852981 is a wasteful number, since it uses less digits than its factorization.

852981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its digits is 5760, while the sum is 33.

The square root of 852981 is about 923.5697050034. The cubic root of 852981 is about 94.8374320302.

The spelling of 852981 in words is "eight hundred fifty-two thousand, nine hundred eighty-one".