3381216 has 24 divisors (see below), whose sum is σ = 8875944. Its totient is φ = 1127040.

The previous prime is 3381211. The next prime is 3381223. The reversal of 3381216 is 6121833.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×3381216² = 22865243277312, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3381211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17515 + ... + 17706.

It is an arithmetic number, because the mean of its divisors is an integer number (369831).

Almost surely, 2^3381216 is an apocalyptic number.

It is an amenable number.

3381216 is an abundant number, since it is smaller than the sum of its proper divisors (5494728).

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

3381216 is a wasteful number, since it uses less digits than its factorization.

3381216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35234 (or 35226 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 3381216 is about 1838.8083097485. The cubic root of 3381216 is about 150.0920324109.

The spelling of 3381216 in words is "three million, three hundred eighty-one thousand, two hundred sixteen".