94889209 has 4 divisors (see below), whose sum is σ = 95071860. Its totient is φ = 94706560.

The previous prime is 94889177. The next prime is 94889213. The reversal of 94889209 is 90298849.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28515600 + 66373609 = 5340^2 + 8147^2 .

It is a cyclic number.

It is not a de Polignac number, because 94889209 - 2⁵ = 94889177 is a prime.

It is a super-5 number, since 5×94889209⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94889009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90544 + ... + 91585.

It is an arithmetic number, because the mean of its divisors is an integer number (23767965).

Almost surely, 2^94889209 is an apocalyptic number.

It is an amenable number.

94889209 is a deficient number, since it is larger than the sum of its proper divisors (182651).

94889209 is a wasteful number, since it uses less digits than its factorization.

94889209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182650.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 94889209 is about 9741.1092284195. The cubic root of 94889209 is about 456.1128161027.

The spelling of 94889209 in words is "ninety-four million, eight hundred eighty-nine thousand, two hundred nine".