865297338 has 32 divisors (see below), whose sum is σ = 1755432000. Its totient is φ = 284313216.

The previous prime is 865297291. The next prime is 865297351. The reversal of 865297338 is 833792568.

865297338 is nontrivially palindromic in base 5.

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, 184045 + ... + 188687.

It is an arithmetic number, because the mean of its divisors is an integer number (54857250).

Almost surely, 2^865297338 is an apocalyptic number.

865297338 is an abundant number, since it is smaller than the sum of its proper divisors (890134662).

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

865297338 is a wasteful number, since it uses less digits than its factorization.

865297338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086.

The product of its digits is 2177280, while the sum is 51.

The square root of 865297338 is about 29415.9368030325. The cubic root of 865297338 is about 952.9171047467.

The spelling of 865297338 in words is "eight hundred sixty-five million, two hundred ninety-seven thousand, three hundred thirty-eight".