1481216 has 40 divisors (see below), whose sum is σ = 3240864. Its totient is φ = 670720.

The previous prime is 1481197. The next prime is 1481219. The reversal of 1481216 is 6121841.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1481191 and 1481200.

It is not an unprimeable number, because it can be changed into a prime (1481219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501 + ... + 5763.

2^1481216 is an apocalyptic number.

1481216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1481216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620432).

1481216 is an abundant number, since it is smaller than the sum of its proper divisors (1759648).

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

1481216 is an equidigital number, since it uses as much as digits as its factorization.

1481216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 276 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1481216 is about 1217.0521763671. The cubic root of 1481216 is about 113.9915865341.

The spelling of 1481216 in words is "one million, four hundred eighty-one thousand, two hundred sixteen".