94809 has 24 divisors (see below), whose sum is σ = 158112. Its totient is φ = 49920.

The previous prime is 94793. The next prime is 94811. The reversal of 94809 is 90849.

94809 = T₉₇ + T₉₈ + ... + T₁₁₃.

It is not a de Polignac number, because 94809 - 2⁴ = 94793 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 94809.

It is not an unprimeable number, because it can be changed into a prime (94819) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5569 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (6588).

2⁹⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

94809 is a deficient number, since it is larger than the sum of its proper divisors (63303).

94809 is a wasteful number, since it uses less digits than its factorization.

94809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 44 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 94809 is about 307.9107013405. The cubic root of 94809 is about 45.5984263846.

It can be divided in two parts, 94 and 809, that added together give a triangular number (903 = T₄₂).

The spelling of 94809 in words is "ninety-four thousand, eight hundred nine".