3800128 has 14 divisors (see below), whose sum is σ = 7541006. Its totient is φ = 1900032.

The previous prime is 3800119. The next prime is 3800149. The reversal of 3800128 is 8210083.

3800128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3717184 + 82944 = 1928^2 + 288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3800099 and 3800108.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29625 + ... + 29752.

Almost surely, 2^3800128 is an apocalyptic number.

It is an amenable number.

3800128 is a deficient number, since it is larger than the sum of its proper divisors (3740878).

3800128 is an equidigital number, since it uses as much as digits as its factorization.

3800128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59389 (or 59379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 3800128 is about 1949.3916999926. The cubic root of 3800128 is about 156.0508271811.

The spelling of 3800128 in words is "three million, eight hundred thousand, one hundred twenty-eight".