4128378 has 8 divisors (see below), whose sum is σ = 8256768. Its totient is φ = 1376124.

The previous prime is 4128367. The next prime is 4128379. The reversal of 4128378 is 8738214.

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

4128378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4128379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344026 + ... + 344037.

It is an arithmetic number, because the mean of its divisors is an integer number (1032096).

Almost surely, 2^4128378 is an apocalyptic number.

4128378 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.

4128378 is a wasteful number, since it uses less digits than its factorization.

4128378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688068.

The product of its digits is 10752, while the sum is 33.

The square root of 4128378 is about 2031.8410370893. The cubic root of 4128378 is about 160.4204825389.

The spelling of 4128378 in words is "four million, one hundred twenty-eight thousand, three hundred seventy-eight".