4119978 has 16 divisors (see below), whose sum is σ = 8326080. Its totient is φ = 1358976.

The previous prime is 4119977. The next prime is 4119991. The reversal of 4119978 is 8799114.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4119977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2958 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (520380).

Almost surely, 2^4119978 is an apocalyptic number.

4119978 is an abundant number, since it is smaller than the sum of its proper divisors (4206102).

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

4119978 is a wasteful number, since it uses less digits than its factorization.

4119978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7181.

The product of its digits is 18144, while the sum is 39.

The square root of 4119978 is about 2029.7728937002. The cubic root of 4119978 is about 160.3116062822.

The spelling of 4119978 in words is "four million, one hundred nineteen thousand, nine hundred seventy-eight".