213806876 has 24 divisors (see below), whose sum is σ = 393531264. Its totient is φ = 101499840.

The previous prime is 213806869. The next prime is 213806893. The reversal of 213806876 is 678608312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9695 + ... + 22838.

It is an arithmetic number, because the mean of its divisors is an integer number (16397136).

Almost surely, 2^213806876 is an apocalyptic number.

It is an amenable number.

213806876 is a deficient number, since it is larger than the sum of its proper divisors (179724388).

213806876 is a wasteful number, since it uses less digits than its factorization.

213806876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32621 (or 32619 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 213806876 is about 14622.1365059967. The cubic root of 213806876 is about 597.9624178945.

The spelling of 213806876 in words is "two hundred thirteen million, eight hundred six thousand, eight hundred seventy-six".