809295234 has 64 divisors (see below), whose sum is σ = 1968053760. Its totient is φ = 218661120.

The previous prime is 809295233. The next prime is 809295247. The reversal of 809295234 is 432592908.

It is a super-2 number, since 2×809295234² = 1309917551550229512, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (809295233) 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, 2337 + ... + 40299.

It is an arithmetic number, because the mean of its divisors is an integer number (30750840).

Almost surely, 2^809295234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809295234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984026880).

809295234 is an abundant number, since it is smaller than the sum of its proper divisors (1158758526).

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

809295234 is a wasteful number, since it uses less digits than its factorization.

809295234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38015.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 809295234 is about 28448.1147705784. The cubic root of 809295234 is about 931.8993187919.

The spelling of 809295234 in words is "eight hundred nine million, two hundred ninety-five thousand, two hundred thirty-four".