863697 has 8 divisors (see below), whose sum is σ = 1169056. Its totient is φ = 567072.

The previous prime is 863693. The next prime is 863711. The reversal of 863697 is 796368.

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

It is not a de Polignac number, because 863697 - 2² = 863693 is a prime.

It is a Duffinian number.

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

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 7 ways as a sum of consecutive naturals, for example, 1948 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (146132).

2⁸⁶³⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

863697 is a deficient number, since it is larger than the sum of its proper divisors (305359).

863697 is a wasteful number, since it uses less digits than its factorization.

863697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367.

The product of its digits is 54432, while the sum is 39.

The square root of 863697 is about 929.3530007484. The cubic root of 863697 is about 95.2329279617.

The spelling of 863697 in words is "eight hundred sixty-three thousand, six hundred ninety-seven".