234447213 has 96 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 106323840.

The previous prime is 234447197. The next prime is 234447253. The reversal of 234447213 is 312744432.

It is not a de Polignac number, because 234447213 - 2⁴ = 234447197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234447253) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 399106 + ... + 399692.

It is an arithmetic number, because the mean of its divisors is an integer number (4692240).

Almost surely, 2^234447213 is an apocalyptic number.

It is an amenable number.

234447213 is a deficient number, since it is larger than the sum of its proper divisors (216007827).

234447213 is a wasteful number, since it uses less digits than its factorization.

234447213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 640 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 234447213 is about 15311.6691774607. The cubic root of 234447213 is about 616.6163338840.

The spelling of 234447213 in words is "two hundred thirty-four million, four hundred forty-seven thousand, two hundred thirteen".