10217808 has 30 divisors (see below), whose sum is σ = 28596074. Its totient is φ = 3405888.

The previous prime is 10217803. The next prime is 10217821. The reversal of 10217808 is 80871201.

10217808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7354944 + 2862864 = 2712^2 + 1692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10217803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35335 + ... + 35622.

Almost surely, 2^10217808 is an apocalyptic number.

10217808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10217808 is an abundant number, since it is smaller than the sum of its proper divisors (18378266).

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

10217808 is a wasteful number, since it uses less digits than its factorization.

10217808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70971 (or 70962 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 10217808 is about 3196.5306192808. The cubic root of 10217808 is about 216.9964251501.

It can be divided in two parts, 10217 and 808, that added together give a square (11025 = 105²).

The spelling of 10217808 in words is "ten million, two hundred seventeen thousand, eight hundred eight".