213827856 has 40 divisors (see below), whose sum is σ = 602607264. Its totient is φ = 64796160.

The previous prime is 213827813. The next prime is 213827869. The reversal of 213827856 is 658728312.

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, 201961 + ... + 203016.

Almost surely, 2^213827856 is an apocalyptic number.

It is an amenable number.

213827856 is an abundant number, since it is smaller than the sum of its proper divisors (388779408).

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

213827856 is a wasteful number, since it uses less digits than its factorization.

213827856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404999 (or 404993 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 213827856 is about 14622.8538938198. The cubic root of 213827856 is about 597.9819757956.

The spelling of 213827856 in words is "two hundred thirteen million, eight hundred twenty-seven thousand, eight hundred fifty-six".