213695808 has 56 divisors (see below), whose sum is σ = 570646560. Its totient is φ = 70571520.

The previous prime is 213695789. The next prime is 213695819. The reversal of 213695808 is 808596312.

213695808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213695808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15823 + ... + 26033.

Almost surely, 2^213695808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213695808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285323280).

213695808 is an abundant number, since it is smaller than the sum of its proper divisors (356950752).

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

213695808 is a wasteful number, since it uses less digits than its factorization.

213695808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10335 (or 10325 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 213695808 is about 14618.3380724349. The cubic root of 213695808 is about 597.8588571567.

The spelling of 213695808 in words is "two hundred thirteen million, six hundred ninety-five thousand, eight hundred eight".