4642238 has 8 divisors (see below), whose sum is σ = 7081560. Its totient is φ = 2281720.

The previous prime is 4642223. The next prime is 4642259. The reversal of 4642238 is 8322464.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4642238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19553 + ... + 19788.

It is an arithmetic number, because the mean of its divisors is an integer number (885195).

Almost surely, 2^4642238 is an apocalyptic number.

4642238 is a deficient number, since it is larger than the sum of its proper divisors (2439322).

4642238 is a wasteful number, since it uses less digits than its factorization.

4642238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39402.

The product of its digits is 9216, while the sum is 29.

The square root of 4642238 is about 2154.5853429372. The cubic root of 4642238 is about 166.8178299676.

The spelling of 4642238 in words is "four million, six hundred forty-two thousand, two hundred thirty-eight".