869608 has 16 divisors (see below), whose sum is σ = 1654560. Its totient is φ = 428400.

The previous prime is 869599. The next prime is 869657. The reversal of 869608 is 806968.

It is a plaindrome in base 15.

It is an unprimeable number.

869608 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 3 ways as a sum of consecutive naturals, for example, 198 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (103410).

2⁸⁶⁹⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

869608 is a deficient number, since it is larger than the sum of its proper divisors (784952).

869608 is a wasteful number, since it uses less digits than its factorization.

869608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 869608 is about 932.5277475764. The cubic root of 869608 is about 95.4496870474.

It can be divided in two parts, 86960 and 8, that added together give a palindrome (86968).

The spelling of 869608 in words is "eight hundred sixty-nine thousand, six hundred eight".