3543986 has 4 divisors (see below), whose sum is σ = 5315982. Its totient is φ = 1771992.

The previous prime is 3543983. The next prime is 3543997. The reversal of 3543986 is 6893453.

3543986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 3308761 + 235225 = 1819^2 + 485^2 .

It is a Curzon number.

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 as a sum of consecutive naturals, namely, 885995 + ... + 885998.

Almost surely, 2^3543986 is an apocalyptic number.

3543986 is a deficient number, since it is larger than the sum of its proper divisors (1771996).

3543986 is a wasteful number, since it uses less digits than its factorization.

3543986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1771995.

The product of its digits is 77760, while the sum is 38.

The square root of 3543986 is about 1882.5477417585. The cubic root of 3543986 is about 152.4628378498.

The spelling of 3543986 in words is "three million, five hundred forty-three thousand, nine hundred eighty-six".