865812234 has 32 divisors (see below), whose sum is σ = 1982286720. Its totient is φ = 246964032.

The previous prime is 865812229. The next prime is 865812251. The reversal of 865812234 is 432218568.

It is a junction number, because it is equal to n+sod(n) for n = 865812192 and 865812201.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8932 + ... + 42560.

It is an arithmetic number, because the mean of its divisors is an integer number (61946460).

Almost surely, 2^865812234 is an apocalyptic number.

865812234 is an abundant number, since it is smaller than the sum of its proper divisors (1116474486).

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

865812234 is a wasteful number, since it uses less digits than its factorization.

865812234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34254.

The product of its digits is 92160, while the sum is 39.

The square root of 865812234 is about 29424.6874919684. The cubic root of 865812234 is about 953.1060786770.

The spelling of 865812234 in words is "eight hundred sixty-five million, eight hundred twelve thousand, two hundred thirty-four".