864102 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 284232.

The previous prime is 864091. The next prime is 864103. The reversal of 864102 is 201468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864103) by changing a digit.

864102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438 + ... + 1385.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2⁸⁶⁴¹⁰² is an apocalyptic number.

864102 is an abundant number, since it is smaller than the sum of its proper divisors (886938).

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

864102 is a wasteful number, since it uses less digits than its factorization.

864102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 864102 is about 929.5708687346. The cubic root of 864102 is about 95.2478110009.

The spelling of 864102 in words is "eight hundred sixty-four thousand, one hundred two".