3543242 has 24 divisors (see below), whose sum is σ = 5912676. Its totient is φ = 1586816.

The previous prime is 3543233. The next prime is 3543257. The reversal of 3543242 is 2423453.

It can be written as a sum of positive squares in 2 ways, for example, as 2819041 + 724201 = 1679^2 + 851^2 .

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17888 + ... + 18084.

Almost surely, 2^3543242 is an apocalyptic number.

3543242 is a deficient number, since it is larger than the sum of its proper divisors (2369434).

3543242 is a wasteful number, since it uses less digits than its factorization.

3543242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 239 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 3543242 is about 1882.3501268361. The cubic root of 3543242 is about 152.4521681039.

Adding to 3543242 its reverse (2423453), we get a palindrome (5966695).

The spelling of 3543242 in words is "three million, five hundred forty-three thousand, two hundred forty-two".