86908 has 6 divisors (see below), whose sum is σ = 152096. Its totient is φ = 43452.

The previous prime is 86869. The next prime is 86923. The reversal of 86908 is 80968.

It is a self number, because there is not a number n which added to its sum of digits gives 86908.

It is a congruent number.

It is an unprimeable number.

86908 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 as a sum of consecutive naturals, namely, 10860 + ... + 10867.

2⁸⁶⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

86908 is a deficient number, since it is larger than the sum of its proper divisors (65188).

86908 is a wasteful number, since it uses less digits than its factorization.

86908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21731 (or 21729 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 86908 is about 294.8016282180. The cubic root of 86908 is about 44.2948516897.

The spelling of 86908 in words is "eighty-six thousand, nine hundred eight".