4378238 has 12 divisors (see below), whose sum is σ = 6716832. Its totient is φ = 2140380.

The previous prime is 4378237. The next prime is 4378243. The reversal of 4378238 is 8328734.

It is a junction number, because it is equal to n+sod(n) for n = 4378198 and 4378207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378237) 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 5 ways as a sum of consecutive naturals, for example, 3923 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (559736).

Almost surely, 2^4378238 is an apocalyptic number.

4378238 is a deficient number, since it is larger than the sum of its proper divisors (2338594).

4378238 is an equidigital number, since it uses as much as digits as its factorization.

4378238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1040 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 4378238 is about 2092.4239532179. The cubic root of 4378238 is about 163.5936549409.

The spelling of 4378238 in words is "four million, three hundred seventy-eight thousand, two hundred thirty-eight".