3543445 has 4 divisors (see below), whose sum is σ = 4252140. Its totient is φ = 2834752.

The previous prime is 3543433. The next prime is 3543451. The reversal of 3543445 is 5443453.

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 1205604 + 2337841 = 1098^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 3543445 - 2¹¹ = 3541397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354340 + ... + 354349.

It is an arithmetic number, because the mean of its divisors is an integer number (1063035).

Almost surely, 2^3543445 is an apocalyptic number.

It is an amenable number.

3543445 is a deficient number, since it is larger than the sum of its proper divisors (708695).

3543445 is an equidigital number, since it uses as much as digits as its factorization.

3543445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708694.

The product of its digits is 14400, while the sum is 28.

The square root of 3543445 is about 1882.4040480194. The cubic root of 3543445 is about 152.4550794865.

Adding to 3543445 its reverse (5443453), we get a palindrome (8986898).

The spelling of 3543445 in words is "three million, five hundred forty-three thousand, four hundred forty-five".