3504442 has 4 divisors (see below), whose sum is σ = 5256666. Its totient is φ = 1752220.

The previous prime is 3504439. The next prime is 3504443. The reversal of 3504442 is 2444053.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2444053 = 1399 ⋅1747.

It can be written as a sum of positive squares in only one way, i.e., 3345241 + 159201 = 1829^2 + 399^2 .

It is a super-2 number, since 2×3504442² = 24562227462728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3504443) 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 as a sum of consecutive naturals, namely, 876109 + ... + 876112.

Almost surely, 2^3504442 is an apocalyptic number.

3504442 is a deficient number, since it is larger than the sum of its proper divisors (1752224).

3504442 is a wasteful number, since it uses less digits than its factorization.

3504442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752223.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 3504442 is about 1872.0154913889. The cubic root of 3504442 is about 151.8936525268.

Adding to 3504442 its reverse (2444053), we get a palindrome (5948495).

The spelling of 3504442 in words is "three million, five hundred four thousand, four hundred forty-two".