894509 has 8 divisors (see below), whose sum is σ = 1115328. Its totient is φ = 696960.

The previous prime is 894503. The next prime is 894511. The reversal of 894509 is 905498.

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

It is a de Polignac number, because none of the positive numbers 2^k-894509 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894503) 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, 5732 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (139416).

2⁸⁹⁴⁵⁰⁹ is an apocalyptic number.

It is an amenable number.

894509 is a deficient number, since it is larger than the sum of its proper divisors (220819).

894509 is a wasteful number, since it uses less digits than its factorization.

894509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11635.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 894509 is about 945.7848592571. The cubic root of 894509 is about 96.3521858461.

The spelling of 894509 in words is "eight hundred ninety-four thousand, five hundred nine".