3477216 has 48 divisors (see below), whose sum is σ = 9450000. Its totient is φ = 1118208.

The previous prime is 3477203. The next prime is 3477217. The reversal of 3477216 is 6127743.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×3477216² = 24182062221312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3477217) 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, 2160 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (196875).

Almost surely, 2^3477216 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 3477216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725000).

3477216 is an abundant number, since it is smaller than the sum of its proper divisors (5972784).

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

3477216 is a wasteful number, since it uses less digits than its factorization.

3477216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291 (or 1283 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 3477216 is about 1864.7294709957. The cubic root of 3477216 is about 151.4992756667.

The spelling of 3477216 in words is "three million, four hundred seventy-seven thousand, two hundred sixteen".