863694 has 24 divisors (see below), whose sum is σ = 2015832. Its totient is φ = 265680.

The previous prime is 863693. The next prime is 863711. The reversal of 863694 is 496368.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 2079.

It is an arithmetic number, because the mean of its divisors is an integer number (83993).

2⁸⁶³⁶⁹⁴ is an apocalyptic number.

863694 is an abundant number, since it is smaller than the sum of its proper divisors (1152138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

863694 is a wasteful number, since it uses less digits than its factorization.

863694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3709 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 863694 is about 929.3513867209. The cubic root of 863694 is about 95.2328176996.

The spelling of 863694 in words is "eight hundred sixty-three thousand, six hundred ninety-four".