212727893 has 8 divisors (see below), whose sum is σ = 244524288. Its totient is φ = 181283184.

The previous prime is 212727883. The next prime is 212727901. The reversal of 212727893 is 398727212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212727893 - 2¹⁴ = 212711509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212727893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212727833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86621 + ... + 89042.

It is an arithmetic number, because the mean of its divisors is an integer number (30565536).

Almost surely, 2^212727893 is an apocalyptic number.

It is an amenable number.

212727893 is a deficient number, since it is larger than the sum of its proper divisors (31796395).

212727893 is a wasteful number, since it uses less digits than its factorization.

212727893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175843.

The product of its digits is 84672, while the sum is 41.

The square root of 212727893 is about 14585.1943079275. The cubic root of 212727893 is about 596.9548424683.

The spelling of 212727893 in words is "two hundred twelve million, seven hundred twenty-seven thousand, eight hundred ninety-three".