213993411 has 8 divisors (see below), whose sum is σ = 287850000. Its totient is φ = 141399552.

The previous prime is 213993389. The next prime is 213993421. The reversal of 213993411 is 114399312.

It is a happy number.

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

It is not a de Polignac number, because 213993411 - 2⁵ = 213993379 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (213993421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315286 + ... + 315963.

It is an arithmetic number, because the mean of its divisors is an integer number (35981250).

Almost surely, 2^213993411 is an apocalyptic number.

213993411 is a deficient number, since it is larger than the sum of its proper divisors (73856589).

213993411 is a wasteful number, since it uses less digits than its factorization.

213993411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631365.

The product of its digits is 5832, while the sum is 33.

The square root of 213993411 is about 14628.5136292106. The cubic root of 213993411 is about 598.1362640301.

The spelling of 213993411 in words is "two hundred thirteen million, nine hundred ninety-three thousand, four hundred eleven".