4425978 has 8 divisors (see below), whose sum is σ = 8851968. Its totient is φ = 1475324.

The previous prime is 4425931. The next prime is 4425979. The reversal of 4425978 is 8795244.

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

4425978 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4425979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368826 + ... + 368837.

It is an arithmetic number, because the mean of its divisors is an integer number (1106496).

Almost surely, 2^4425978 is an apocalyptic number.

4425978 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.

4425978 is a wasteful number, since it uses less digits than its factorization.

4425978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737668.

The product of its digits is 80640, while the sum is 39.

The square root of 4425978 is about 2103.8008460879. The cubic root of 4425978 is about 164.1861113417.

The spelling of 4425978 in words is "four million, four hundred twenty-five thousand, nine hundred seventy-eight".