863698 has 24 divisors (see below), whose sum is σ = 1474704. Its totient is φ = 378840.

The previous prime is 863693. The next prime is 863711. The reversal of 863698 is 896368.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 863698.

It is not an unprimeable number, because it can be changed into a prime (863693) by changing a digit.

863698 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 11 ways as a sum of consecutive naturals, for example, 10365 + ... + 10447.

It is an arithmetic number, because the mean of its divisors is an integer number (61446).

2⁸⁶³⁶⁹⁸ is an apocalyptic number.

863698 is a deficient number, since it is larger than the sum of its proper divisors (611006).

863698 is a wasteful number, since it uses less digits than its factorization.

863698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 139 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 863698 is about 929.3535387569. The cubic root of 863698 is about 95.2329647157.

The spelling of 863698 in words is "eight hundred sixty-three thousand, six hundred ninety-eight".