3885545 has 4 divisors (see below), whose sum is σ = 4662660. Its totient is φ = 3108432.

The previous prime is 3885533. The next prime is 3885569. The reversal of 3885545 is 5455883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1857769 + 2027776 = 1363^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 3885545 - 2¹⁶ = 3820009 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3885499 and 3885508.

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, 388550 + ... + 388559.

It is an arithmetic number, because the mean of its divisors is an integer number (1165665).

Almost surely, 2^3885545 is an apocalyptic number.

It is an amenable number.

3885545 is a deficient number, since it is larger than the sum of its proper divisors (777115).

3885545 is an equidigital number, since it uses as much as digits as its factorization.

3885545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777114.

The product of its digits is 96000, while the sum is 38.

The square root of 3885545 is about 1971.1785814583. The cubic root of 3885545 is about 157.2113803872.

The spelling of 3885545 in words is "three million, eight hundred eighty-five thousand, five hundred forty-five".