4009828 has 6 divisors (see below), whose sum is σ = 7017206. Its totient is φ = 2004912.

The previous prime is 4009823. The next prime is 4009849. The reversal of 4009828 is 8289004.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 97344 = 1978^2 + 312^2 .

4009828 is a modest number, since divided by 9828 gives 4 as remainder.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 4009828.

It is not an unprimeable number, because it can be changed into a prime (4009823) 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 as a sum of consecutive naturals, namely, 501225 + ... + 501232.

Almost surely, 2^4009828 is an apocalyptic number.

It is an amenable number.

4009828 is a deficient number, since it is larger than the sum of its proper divisors (3007378).

4009828 is a wasteful number, since it uses less digits than its factorization.

4009828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002461 (or 1002459 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 4009828 is about 2002.4554926390. The cubic root of 4009828 is about 158.8700070114.

The spelling of 4009828 in words is "four million, nine thousand, eight hundred twenty-eight".