894909 has 4 divisors (see below), whose sum is σ = 1193216. Its totient is φ = 596604.

The previous prime is 894893. The next prime is 894917. The reversal of 894909 is 909498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 894909 - 2⁴ = 894893 is a prime.

It is a D-number.

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 (894109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149149 + ... + 149154.

It is an arithmetic number, because the mean of its divisors is an integer number (298304).

2⁸⁹⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

894909 is a deficient number, since it is larger than the sum of its proper divisors (298307).

894909 is a wasteful number, since it uses less digits than its factorization.

894909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298306.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 894909 is about 945.9963002042. The cubic root of 894909 is about 96.3665457281.

The spelling of 894909 in words is "eight hundred ninety-four thousand, nine hundred nine".