3885409 has 8 divisors (see below), whose sum is σ = 4253760. Its totient is φ = 3519600.

The previous prime is 3885403. The next prime is 3885421. The reversal of 3885409 is 9045883.

3885409 = 327² + 328² + ... + 359².

3885409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3885409 - 2⁷ = 3885281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3885403) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4212 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (531720).

Almost surely, 2^3885409 is an apocalyptic number.

It is an amenable number.

3885409 is a deficient number, since it is larger than the sum of its proper divisors (368351).

3885409 is a wasteful number, since it uses less digits than its factorization.

3885409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 3885409 is about 1971.1440840284. The cubic root of 3885409 is about 157.2095461531.

The spelling of 3885409 in words is "three million, eight hundred eighty-five thousand, four hundred nine".