3521446 has 4 divisors (see below), whose sum is σ = 5282172. Its totient is φ = 1760722.

The previous prime is 3521437. The next prime is 3521473. The reversal of 3521446 is 6441253.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3521446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880360 + ... + 880363.

It is an arithmetic number, because the mean of its divisors is an integer number (1320543).

Almost surely, 2^3521446 is an apocalyptic number.

3521446 is a deficient number, since it is larger than the sum of its proper divisors (1760726).

3521446 is a wasteful number, since it uses less digits than its factorization.

3521446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760725.

The product of its digits is 2880, while the sum is 25.

The square root of 3521446 is about 1876.5516246562. The cubic root of 3521446 is about 152.1389253866.

Adding to 3521446 its reverse (6441253), we get a palindrome (9962699).

The spelling of 3521446 in words is "three million, five hundred twenty-one thousand, four hundred forty-six".