3545869 has 4 divisors (see below), whose sum is σ = 3604060. Its totient is φ = 3487680.

The previous prime is 3545851. The next prime is 3545881. The reversal of 3545869 is 9685453.

3545869 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 2 ways, for example, as 1755625 + 1790244 = 1325^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545869 - 2⁹ = 3545357 is a prime.

It is a super-2 number, since 2×3545869² = 25146373930322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545819) 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 3 ways as a sum of consecutive naturals, for example, 29004 + ... + 29125.

It is an arithmetic number, because the mean of its divisors is an integer number (901015).

Almost surely, 2^3545869 is an apocalyptic number.

It is an amenable number.

3545869 is a deficient number, since it is larger than the sum of its proper divisors (58191).

3545869 is an equidigital number, since it uses as much as digits as its factorization.

3545869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58190.

The product of its digits is 129600, while the sum is 40.

The square root of 3545869 is about 1883.0477954635. The cubic root of 3545869 is about 152.4898353881.

The spelling of 3545869 in words is "three million, five hundred forty-five thousand, eight hundred sixty-nine".