4078930 has 8 divisors (see below), whose sum is σ = 7342092. Its totient is φ = 1631568.

The previous prime is 4078897. The next prime is 4078951. The reversal of 4078930 is 398704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 42849 = 2009^2 + 207^2 .

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4078892 and 4078901.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 203937 + ... + 203956.

Almost surely, 2^4078930 is an apocalyptic number.

4078930 is a deficient number, since it is larger than the sum of its proper divisors (3263162).

4078930 is a wasteful number, since it uses less digits than its factorization.

4078930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407900.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4078930 is about 2019.6361058369. The cubic root of 4078930 is about 159.7774248956. Note that the first 3 decimals are identical.

The spelling of 4078930 in words is "four million, seventy-eight thousand, nine hundred thirty".