213924843 has 12 divisors (see below), whose sum is σ = 337093848. Its totient is φ = 129651360.

The previous prime is 213924827. The next prime is 213924847. The reversal of 213924843 is 348429312.

It is not a de Polignac number, because 213924843 - 2⁴ = 213924827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213924798 and 213924807.

It is not an unprimeable number, because it can be changed into a prime (213924847) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1080330 + ... + 1080527.

It is an arithmetic number, because the mean of its divisors is an integer number (28091154).

Almost surely, 2^213924843 is an apocalyptic number.

213924843 is a deficient number, since it is larger than the sum of its proper divisors (123169005).

213924843 is a wasteful number, since it uses less digits than its factorization.

213924843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160874 (or 2160871 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 213924843 is about 14626.1697993699. The cubic root of 213924843 is about 598.0723720495.

The spelling of 213924843 in words is "two hundred thirteen million, nine hundred twenty-four thousand, eight hundred forty-three".