4401216 has 84 divisors (see below), whose sum is σ = 13128752. Its totient is φ = 1461888.

The previous prime is 4401209. The next prime is 4401233. The reversal of 4401216 is 6121044.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15411 + ... + 15693.

Almost surely, 2^4401216 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 4401216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6564376).

4401216 is an abundant number, since it is smaller than the sum of its proper divisors (8727536).

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

4401216 is an equidigital number, since it uses as much as digits as its factorization.

4401216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 4401216 is about 2097.9075289440. The cubic root of 4401216 is about 163.8793481035.

The spelling of 4401216 in words is "four million, four hundred one thousand, two hundred sixteen".