3548609 has 4 divisors (see below), whose sum is σ = 3557460. Its totient is φ = 3539760.

The previous prime is 3548593. The next prime is 3548621. The reversal of 3548609 is 9068453.

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 207025 + 3341584 = 455^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 3548609 - 2⁴ = 3548593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3548639) 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, 3794 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (889365).

Almost surely, 2^3548609 is an apocalyptic number.

It is an amenable number.

3548609 is a deficient number, since it is larger than the sum of its proper divisors (8851).

3548609 is an equidigital number, since it uses as much as digits as its factorization.

3548609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 3548609 is about 1883.7751989025. The cubic root of 3548609 is about 152.5291031082.

The spelling of 3548609 in words is "three million, five hundred forty-eight thousand, six hundred nine".