4129828 has 6 divisors (see below), whose sum is σ = 7227206. Its totient is φ = 2064912.

The previous prime is 4129817. The next prime is 4129841. The reversal of 4129828 is 8289214.

It can be written as a sum of positive squares in only one way, i.e., 3125824 + 1004004 = 1768^2 + 1002^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4129793 and 4129802.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516225 + ... + 516232.

Almost surely, 2^4129828 is an apocalyptic number.

It is an amenable number.

4129828 is a deficient number, since it is larger than the sum of its proper divisors (3097378).

4129828 is a wasteful number, since it uses less digits than its factorization.

4129828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032461 (or 1032459 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 4129828 is about 2032.1978250161. The cubic root of 4129828 is about 160.4392617036.

The spelling of 4129828 in words is "four million, one hundred twenty-nine thousand, eight hundred twenty-eight".