5421216 has 48 divisors (see below), whose sum is σ = 14364000. Its totient is φ = 1790208.

The previous prime is 5421209. The next prime is 5421263. The reversal of 5421216 is 6121245.

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

It is a junction number, because it is equal to n+sod(n) for n = 5421192 and 5421201.

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, 14115 + ... + 14493.

It is an arithmetic number, because the mean of its divisors is an integer number (299250).

Almost surely, 2^5421216 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 5421216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7182000).

5421216 is an abundant number, since it is smaller than the sum of its proper divisors (8942784).

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

5421216 is a wasteful number, since it uses less digits than its factorization.

5421216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541 (or 533 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 5421216 is about 2328.3504890802. The cubic root of 5421216 is about 175.6705268597.

The spelling of 5421216 in words is "five million, four hundred twenty-one thousand, two hundred sixteen".