865948 has 12 divisors (see below), whose sum is σ = 1556632. Its totient is φ = 421200.

The previous prime is 865937. The next prime is 865957. The reversal of 865948 is 849568.

It is a self number, because there is not a number n which added to its sum of digits gives 865948.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 3073.

2⁸⁶⁵⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

865948 is a deficient number, since it is larger than the sum of its proper divisors (690684).

865948 is a wasteful number, since it uses less digits than its factorization.

865948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5892 (or 5890 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 865948 is about 930.5632702831. The cubic root of 865948 is about 95.3155894188.

It can be divided in two parts, 8 and 65948, that added together give a palindrome (65956).

The spelling of 865948 in words is "eight hundred sixty-five thousand, nine hundred forty-eight".