894520009 has 8 divisors (see below), whose sum is σ = 898508160. Its totient is φ = 890541600.

The previous prime is 894519971. The next prime is 894520037. The reversal of 894520009 is 900025498.

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

It is a cyclic number.

It is not a de Polignac number, because 894520009 - 2¹⁵ = 894487241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 894520009.

It is not an unprimeable number, because it can be changed into a prime (894520049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226764 + ... + 230674.

It is an arithmetic number, because the mean of its divisors is an integer number (112313520).

Almost surely, 2^894520009 is an apocalyptic number.

It is an amenable number.

894520009 is a deficient number, since it is larger than the sum of its proper divisors (3988151).

894520009 is a wasteful number, since it uses less digits than its factorization.

894520009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 894520009 is about 29908.5273626101. The cubic root of 894520009 is about 963.5258112327.

The spelling of 894520009 in words is "eight hundred ninety-four million, five hundred twenty thousand, nine".