213726441 has 8 divisors (see below), whose sum is σ = 285037344. Its totient is φ = 142449920.

The previous prime is 213726413. The next prime is 213726479. The reversal of 213726441 is 144627312.

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 213726441 - 2¹³ = 213718249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213726399 and 213726408.

It is not an unprimeable number, because it can be changed into a prime (213726841) 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, 15826 + ... + 26036.

It is an arithmetic number, because the mean of its divisors is an integer number (35629668).

Almost surely, 2^213726441 is an apocalyptic number.

It is an amenable number.

213726441 is a deficient number, since it is larger than the sum of its proper divisors (71310903).

213726441 is a wasteful number, since it uses less digits than its factorization.

213726441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17191.

The product of its digits is 8064, while the sum is 30.

The square root of 213726441 is about 14619.3857942117. The cubic root of 213726441 is about 597.8874232066.

The spelling of 213726441 in words is "two hundred thirteen million, seven hundred twenty-six thousand, four hundred forty-one".