3546809 has 4 divisors (see below), whose sum is σ = 4053504. Its totient is φ = 3040116.

The previous prime is 3546799. The next prime is 3546833. The reversal of 3546809 is 9086453.

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 a cyclic number.

It is not a de Polignac number, because 3546809 - 2¹⁶ = 3481273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3546859) by changing a digit.

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, 253337 + ... + 253350.

It is an arithmetic number, because the mean of its divisors is an integer number (1013376).

Almost surely, 2^3546809 is an apocalyptic number.

It is an amenable number.

3546809 is a deficient number, since it is larger than the sum of its proper divisors (506695).

3546809 is an equidigital number, since it uses as much as digits as its factorization.

3546809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506694.

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

The square root of 3546809 is about 1883.2973742880. The cubic root of 3546809 is about 152.5033090745.

The spelling of 3546809 in words is "three million, five hundred forty-six thousand, eight hundred nine".