3541216 has 24 divisors (see below), whose sum is σ = 7968240. Its totient is φ = 1517568.

The previous prime is 3541199. The next prime is 3541229. The reversal of 3541216 is 6121453.

3541216 = 203² + 204² + ... + 266².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7681 + ... + 8128.

It is an arithmetic number, because the mean of its divisors is an integer number (332010).

Almost surely, 2^3541216 is an apocalyptic number.

It is an amenable number.

3541216 is an abundant number, since it is smaller than the sum of its proper divisors (4427024).

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

3541216 is a wasteful number, since it uses less digits than its factorization.

3541216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15826 (or 15818 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 3541216 is about 1881.8118928309. The cubic root of 3541216 is about 152.4231055504.

Adding to 3541216 its reverse (6121453), we get a palindrome (9662669).

The spelling of 3541216 in words is "three million, five hundred forty-one thousand, two hundred sixteen".