3543609 has 4 divisors (see below), whose sum is σ = 4724816. Its totient is φ = 2362404.

The previous prime is 3543583. The next prime is 3543611. The reversal of 3543609 is 9063453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3543609 - 2⁵ = 3543577 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

3543609 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3543629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590599 + ... + 590604.

It is an arithmetic number, because the mean of its divisors is an integer number (1181204).

Almost surely, 2^3543609 is an apocalyptic number.

It is an amenable number.

3543609 is a deficient number, since it is larger than the sum of its proper divisors (1181207).

3543609 is a wasteful number, since it uses less digits than its factorization.

3543609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181206.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3543609 is about 1882.4476088327. The cubic root of 3543609 is about 152.4574314582.

The spelling of 3543609 in words is "three million, five hundred forty-three thousand, six hundred nine".