865048 has 8 divisors (see below), whose sum is σ = 1621980. Its totient is φ = 432520.

The previous prime is 865043. The next prime is 865049. The reversal of 865048 is 840568.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865043) by changing a digit.

865048 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54058 + ... + 54073.

2⁸⁶⁵⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

865048 is a deficient number, since it is larger than the sum of its proper divisors (756932).

865048 is a wasteful number, since it uses less digits than its factorization.

865048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108137 (or 108133 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 865048 is about 930.0795664888. The cubic root of 865048 is about 95.2825567322.

It can be divided in two parts, 8 and 65048, that added together give a palindrome (65056).

The spelling of 865048 in words is "eight hundred sixty-five thousand, forty-eight".