234666421 has 8 divisors (see below), whose sum is σ = 256120704. Its totient is φ = 213232320.

The previous prime is 234666413. The next prime is 234666461. The reversal of 234666421 is 124666432.

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 234666421 - 2³ = 234666413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234666461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29725 + ... + 36781.

It is an arithmetic number, because the mean of its divisors is an integer number (32015088).

Almost surely, 2^234666421 is an apocalyptic number.

It is an amenable number.

234666421 is a deficient number, since it is larger than the sum of its proper divisors (21454283).

234666421 is a wasteful number, since it uses less digits than its factorization.

234666421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10091.

The product of its digits is 41472, while the sum is 34.

The square root of 234666421 is about 15318.8257056473. The cubic root of 234666421 is about 616.8084526504.

The spelling of 234666421 in words is "two hundred thirty-four million, six hundred sixty-six thousand, four hundred twenty-one".