3552216 has 32 divisors (see below), whose sum is σ = 8928960. Its totient is φ = 1177632.

The previous prime is 3552203. The next prime is 3552217. The reversal of 3552216 is 6122553.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3552217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6531 + ... + 7053.

It is an arithmetic number, because the mean of its divisors is an integer number (279030).

Almost surely, 2^3552216 is an apocalyptic number.

It is an amenable number.

3552216 is an abundant number, since it is smaller than the sum of its proper divisors (5376744).

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

3552216 is a wasteful number, since it uses less digits than its factorization.

3552216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 811 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 3552216 is about 1884.7323417398. The cubic root of 3552216 is about 152.5807652450.

Adding to 3552216 its reverse (6122553), we get a palindrome (9674769).

The spelling of 3552216 in words is "three million, five hundred fifty-two thousand, two hundred sixteen".