809094 has 64 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 211200.

The previous prime is 809093. The next prime is 809101. The reversal of 809094 is 490908.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19714 + ... + 19754.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2⁸⁰⁹⁰⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064).

809094 is an abundant number, since it is smaller than the sum of its proper divisors (1223034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809094 is a wasteful number, since it uses less digits than its factorization.

809094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

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

The square root of 809094 is about 899.4965258410. The cubic root of 809094 is about 93.1822072415.

The spelling of 809094 in words is "eight hundred nine thousand, ninety-four".