3543345 has 40 divisors (see below), whose sum is σ = 6850536. Its totient is φ = 1741824.

The previous prime is 3543301. The next prime is 3543349. The reversal of 3543345 is 5433453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 3538161 = 72^2 + 1881^2 .

It is not a de Polignac number, because 3543345 - 2¹¹ = 3541297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543349) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4929 + ... + 5601.

Almost surely, 2^3543345 is an apocalyptic number.

It is an amenable number.

3543345 is a deficient number, since it is larger than the sum of its proper divisors (3307191).

3543345 is a wasteful number, since it uses less digits than its factorization.

3543345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 694 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 3543345 is about 1882.3774860532. The cubic root of 3543345 is about 152.4536453218.

Adding to 3543345 its reverse (5433453), we get a palindrome (8976798).

The spelling of 3543345 in words is "three million, five hundred forty-three thousand, three hundred forty-five".