865338030 has 96 divisors (see below), whose sum is σ = 2333111040. Its totient is φ = 222289920.

The previous prime is 865338017. The next prime is 865338053. The reversal of 865338030 is 30833568.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 749934 + ... + 751086.

It is an arithmetic number, because the mean of its divisors is an integer number (24303240).

Almost surely, 2^865338030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 865338030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1166555520).

865338030 is an abundant number, since it is smaller than the sum of its proper divisors (1467773010).

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

865338030 is a wasteful number, since it uses less digits than its factorization.

865338030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 865338030 is about 29416.6284607873. The cubic root of 865338030 is about 952.9320419994.

The spelling of 865338030 in words is "eight hundred sixty-five million, three hundred thirty-eight thousand, thirty".