894109 has 2 divisors, whose sum is σ = 894110. Its totient is φ = 894108.

The previous prime is 894097. The next prime is 894119. The reversal of 894109 is 901498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 205209 = 830^2 + 453^2 .

It is a cyclic number.

It is not a de Polignac number, because 894109 - 2¹⁹ = 369821 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894119) 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 as a sum of consecutive naturals, namely, 447054 + 447055.

It is an arithmetic number, because the mean of its divisors is an integer number (447055).

2⁸⁹⁴¹⁰⁹ is an apocalyptic number.

It is an amenable number.

894109 is a deficient number, since it is larger than the sum of its proper divisors (1).

894109 is an equidigital number, since it uses as much as digits as its factorization.

894109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 894109 is about 945.5733710295. The cubic root of 894109 is about 96.3378216826.

The spelling of 894109 in words is "eight hundred ninety-four thousand, one hundred nine".