3353216 has 64 divisors (see below), whose sum is σ = 7490880. Its totient is φ = 1486848.

The previous prime is 3353213. The next prime is 3353219. The reversal of 3353216 is 6123533.

3353216 = T₁₆ + T₁₇ + ... + T₂₇₁.

It is an interprime number because it is at equal distance from previous prime (3353213) and next prime (3353219).

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

It is a super-2 number, since 2×3353216² = 22488115085312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3353191 and 3353200.

It is not an unprimeable number, because it can be changed into a prime (3353213) 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, 50015 + ... + 50081.

It is an arithmetic number, because the mean of its divisors is an integer number (117045).

Almost surely, 2^3353216 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 3353216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3745440).

3353216 is an abundant number, since it is smaller than the sum of its proper divisors (4137664).

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

3353216 is a wasteful number, since it uses less digits than its factorization.

3353216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 109 counting only the distinct ones).

The product of its digits is 1620, while the sum is 23.

The square root of 3353216 is about 1831.1788552733. The cubic root of 3353216 is about 149.6765772267.

Adding to 3353216 its reverse (6123533), we get a palindrome (9476749).

The spelling of 3353216 in words is "three million, three hundred fifty-three thousand, two hundred sixteen".