4378478 has 16 divisors (see below), whose sum is σ = 7318080. Its totient is φ = 1950816.

The previous prime is 4378477. The next prime is 4378481. The reversal of 4378478 is 8748734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378477) 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 7 ways as a sum of consecutive naturals, for example, 2150 + ... + 3657.

It is an arithmetic number, because the mean of its divisors is an integer number (457380).

Almost surely, 2^4378478 is an apocalyptic number.

4378478 is a deficient number, since it is larger than the sum of its proper divisors (2939602).

4378478 is a wasteful number, since it uses less digits than its factorization.

4378478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851.

The product of its digits is 150528, while the sum is 41.

The square root of 4378478 is about 2092.4813021865. The cubic root of 4378478 is about 163.5966441008.

The spelling of 4378478 in words is "four million, three hundred seventy-eight thousand, four hundred seventy-eight".