3543985 has 8 divisors (see below), whose sum is σ = 4265640. Its totient is φ = 2826624.

The previous prime is 3543983. The next prime is 3543997. The reversal of 3543985 is 5893453.

3543985 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 4 ways, for example, as 929296 + 2614689 = 964^2 + 1617^2 .

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 3543985 - 2¹ = 3543983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3543983) 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, 1179 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (533205).

Almost surely, 2^3543985 is an apocalyptic number.

It is an amenable number.

3543985 is a deficient number, since it is larger than the sum of its proper divisors (721655).

3543985 is a wasteful number, since it uses less digits than its factorization.

3543985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147.

The product of its digits is 64800, while the sum is 37.

The square root of 3543985 is about 1882.5474761610. The cubic root of 3543985 is about 152.4628235097.

The spelling of 3543985 in words is "three million, five hundred forty-three thousand, nine hundred eighty-five".