4394238 has 8 divisors (see below), whose sum is σ = 8788488. Its totient is φ = 1464744.

The previous prime is 4394237. The next prime is 4394249. The reversal of 4394238 is 8324934.

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

4394238 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4394199 and 4394208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366181 + ... + 366192.

It is an arithmetic number, because the mean of its divisors is an integer number (1098561).

Almost surely, 2^4394238 is an apocalyptic number.

4394238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4394238 is a wasteful number, since it uses less digits than its factorization.

4394238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732378.

The product of its digits is 20736, while the sum is 33.

The square root of 4394238 is about 2096.2437835328. The cubic root of 4394238 is about 163.7926936441.

The spelling of 4394238 in words is "four million, three hundred ninety-four thousand, two hundred thirty-eight".