894820 has 12 divisors (see below), whose sum is σ = 1879164. Its totient is φ = 357920.

The previous prime is 894811. The next prime is 894869. The reversal of 894820 is 28498.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 788544 = 326^2 + 888^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

894820 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 3 ways as a sum of consecutive naturals, for example, 22351 + ... + 22390.

It is an arithmetic number, because the mean of its divisors is an integer number (156597).

2⁸⁹⁴⁸²⁰ is an apocalyptic number.

It is an amenable number.

894820 is an abundant number, since it is smaller than the sum of its proper divisors (984344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894820 is a wasteful number, since it uses less digits than its factorization.

894820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44750 (or 44748 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 894820 is about 945.9492586815. The cubic root of 894820 is about 96.3633510245.

The spelling of 894820 in words is "eight hundred ninety-four thousand, eight hundred twenty".