865714438 has 8 divisors (see below), whose sum is σ = 1343350080. Its totient is φ = 417931080.

The previous prime is 865714429. The next prime is 865714441. The reversal of 865714438 is 834417568.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×865714438² = 1498922976323311688, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7462998 + ... + 7463113.

It is an arithmetic number, because the mean of its divisors is an integer number (167918760).

Almost surely, 2^865714438 is an apocalyptic number.

865714438 is a deficient number, since it is larger than the sum of its proper divisors (477635642).

865714438 is a wasteful number, since it uses less digits than its factorization.

865714438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926142.

The product of its digits is 645120, while the sum is 46.

The square root of 865714438 is about 29423.0256431931. The cubic root of 865714438 is about 953.0701919615.

The spelling of 865714438 in words is "eight hundred sixty-five million, seven hundred fourteen thousand, four hundred thirty-eight".