69808 has 10 divisors (see below), whose sum is σ = 135284. Its totient is φ = 34896.

The previous prime is 69779. The next prime is 69809. The reversal of 69808 is 80896.

It is a self number, because there is not a number n which added to its sum of digits gives 69808.

It is not an unprimeable number, because it can be changed into a prime (69809) by changing a digit.

69808 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2166 + ... + 2197.

2⁶⁹⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

69808 is a deficient number, since it is larger than the sum of its proper divisors (65476).

69808 is a wasteful number, since it uses less digits than its factorization.

69808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371 (or 4365 counting only the distinct ones).

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

The square root of 69808 is about 264.2120360619. The cubic root of 69808 is about 41.1751381722.

The spelling of 69808 in words is "sixty-nine thousand, eight hundred eight".