894493 has 4 divisors (see below), whose sum is σ = 933408. Its totient is φ = 855580.

The previous prime is 894451. The next prime is 894503. The reversal of 894493 is 394498.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894403) 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 3 ways as a sum of consecutive naturals, for example, 19423 + ... + 19468.

It is an arithmetic number, because the mean of its divisors is an integer number (233352).

2⁸⁹⁴⁴⁹³ is an apocalyptic number.

It is an amenable number.

894493 is a deficient number, since it is larger than the sum of its proper divisors (38915).

894493 is a wasteful number, since it uses less digits than its factorization.

894493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38914.

The product of its digits is 31104, while the sum is 37.

The square root of 894493 is about 945.7764006360. The cubic root of 894493 is about 96.3516113618.

The spelling of 894493 in words is "eight hundred ninety-four thousand, four hundred ninety-three".