863948 has 12 divisors (see below), whose sum is σ = 1519392. Its totient is φ = 429840.

The previous prime is 863921. The next prime is 863959. The reversal of 863948 is 849368.

It is a super-2 number, since 2×863948² = 1492812293408, which contains 22 as substring.

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, 686 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (126616).

2⁸⁶³⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

863948 is a deficient number, since it is larger than the sum of its proper divisors (655444).

863948 is a wasteful number, since it uses less digits than its factorization.

863948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 1070 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 863948 is about 929.4880311225. The cubic root of 863948 is about 95.2421523192.

The spelling of 863948 in words is "eight hundred sixty-three thousand, nine hundred forty-eight".