3521442 has 16 divisors (see below), whose sum is σ = 7207200. Its totient is φ = 1146432.

The previous prime is 3521437. The next prime is 3521473. The reversal of 3521442 is 2441253.

It is an Ulam number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6567 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (450450).

Almost surely, 2^3521442 is an apocalyptic number.

3521442 is an abundant number, since it is smaller than the sum of its proper divisors (3685758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3521442 is a wasteful number, since it uses less digits than its factorization.

3521442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13697.

The product of its digits is 960, while the sum is 21.

The square root of 3521442 is about 1876.5505588712. The cubic root of 3521442 is about 152.1388677819.

Adding to 3521442 its reverse (2441253), we get a palindrome (5962695).

The spelling of 3521442 in words is "three million, five hundred twenty-one thousand, four hundred forty-two".