3554216 has 32 divisors (see below), whose sum is σ = 7140000. Its totient is φ = 1653696.

The previous prime is 3554203. The next prime is 3554227. The reversal of 3554216 is 6124553.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (223125).

Almost surely, 2^3554216 is an apocalyptic number.

It is an amenable number.

3554216 is an abundant number, since it is smaller than the sum of its proper divisors (3585784).

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

3554216 is a wasteful number, since it uses less digits than its factorization.

3554216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 437 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 3554216 is about 1885.2628463957. The cubic root of 3554216 is about 152.6093956621.

Adding to 3554216 its reverse (6124553), we get a palindrome (9678769).

The spelling of 3554216 in words is "three million, five hundred fifty-four thousand, two hundred sixteen".