3242430021 has 8 divisors (see below), whose sum is σ = 4326149440. Its totient is φ = 2160165312.

The previous prime is 3242430017. The next prime is 3242430041. The reversal of 3242430021 is 1200342423.

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

It is not a de Polignac number, because 3242430021 - 2² = 3242430017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3242430021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242430001) 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, 358465 + ... + 367398.

It is an arithmetic number, because the mean of its divisors is an integer number (540768680).

Almost surely, 2^3242430021 is an apocalyptic number.

It is an amenable number.

3242430021 is a deficient number, since it is larger than the sum of its proper divisors (1083719419).

3242430021 is a wasteful number, since it uses less digits than its factorization.

3242430021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727355.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3242430021 is about 56942.3394408765. The cubic root of 3242430021 is about 1480.0970871603.

Adding to 3242430021 its reverse (1200342423), we get a palindrome (4442772444).

The spelling of 3242430021 in words is "three billion, two hundred forty-two million, four hundred thirty thousand, twenty-one".