3513216 has 64 divisors (see below), whose sum is σ = 10673280. Its totient is φ = 1003008.

The previous prime is 3513193. The next prime is 3513221. The reversal of 3513216 is 6123153.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3513192 and 3513201.

It is a congruent 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, 2035 + ... + 3341.

It is an arithmetic number, because the mean of its divisors is an integer number (166770).

Almost surely, 2^3513216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3513216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5336640).

3513216 is an abundant number, since it is smaller than the sum of its proper divisors (7160064).

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

3513216 is a wasteful number, since it uses less digits than its factorization.

3513216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1319 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 3513216 is about 1874.3574899149. The cubic root of 3513216 is about 152.0203112285.

Adding to 3513216 its reverse (6123153), we get a palindrome (9636369).

The spelling of 3513216 in words is "three million, five hundred thirteen thousand, two hundred sixteen".