865038 has 8 divisors (see below), whose sum is σ = 1730088. Its totient is φ = 288344.

The previous prime is 865003. The next prime is 865043. The reversal of 865038 is 830568.

865038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

865038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 864996 and 865014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72081 + ... + 72092.

It is an arithmetic number, because the mean of its divisors is an integer number (216261).

2⁸⁶⁵⁰³⁸ is an apocalyptic number.

865038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

865038 is a wasteful number, since it uses less digits than its factorization.

865038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144178.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 865038 is about 930.0741905891. The cubic root of 865038 is about 95.2821895737.

The spelling of 865038 in words is "eight hundred sixty-five thousand, thirty-eight".