885921 has 16 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 535808.

The previous prime is 885919. The next prime is 885923. The reversal of 885921 is 129588.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (885919) and next prime (885923).

It is a cyclic number.

It is not a de Polignac number, because 885921 - 2¹ = 885919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (885923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (81000).

2⁸⁸⁵⁹²¹ is an apocalyptic number.

It is an amenable number.

885921 is a deficient number, since it is larger than the sum of its proper divisors (410079).

885921 is a wasteful number, since it uses less digits than its factorization.

885921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

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

The square root of 885921 is about 941.2337648002. The cubic root of 885921 is about 96.0428411219.

The spelling of 885921 in words is "eight hundred eighty-five thousand, nine hundred twenty-one".