894699109 has 8 divisors (see below), whose sum is σ = 923963768. Its totient is φ = 865702080.

The previous prime is 894699073. The next prime is 894699131. The reversal of 894699109 is 901996498.

It can be written as a sum of positive squares in 4 ways, for example, as 149572900 + 745126209 = 12230^2 + 27297^2 .

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 894699109 - 2¹³ = 894690917 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 894699109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894699209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60102 + ... + 73495.

It is an arithmetic number, because the mean of its divisors is an integer number (115495471).

Almost surely, 2^894699109 is an apocalyptic number.

It is an amenable number.

894699109 is a deficient number, since it is larger than the sum of its proper divisors (29264659).

894699109 is a wasteful number, since it uses less digits than its factorization.

894699109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133815.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 894699109 is about 29911.5213421183. The cubic root of 894699109 is about 963.5901123683.

The spelling of 894699109 in words is "eight hundred ninety-four million, six hundred ninety-nine thousand, one hundred nine".