94865209 has 4 divisors (see below), whose sum is σ = 95469604. Its totient is φ = 94260816.

The previous prime is 94865191. The next prime is 94865213. The reversal of 94865209 is 90256849.

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 51265600 + 43599609 = 7160^2 + 6603^2 .

It is a cyclic number.

It is not a de Polignac number, because 94865209 - 2¹³ = 94857017 is a prime.

It is a super-2 number, since 2×94865209² = 17998815757227362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94865249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301962 + ... + 302275.

It is an arithmetic number, because the mean of its divisors is an integer number (23867401).

Almost surely, 2^94865209 is an apocalyptic number.

It is an amenable number.

94865209 is a deficient number, since it is larger than the sum of its proper divisors (604395).

94865209 is a wasteful number, since it uses less digits than its factorization.

94865209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604394.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 94865209 is about 9739.8772579535. The cubic root of 94865209 is about 456.0743585136.

The spelling of 94865209 in words is "ninety-four million, eight hundred sixty-five thousand, two hundred nine".