1344816 has 80 divisors (see below), whose sum is σ = 4225920. Its totient is φ = 406080.

The previous prime is 1344799. The next prime is 1344821. The reversal of 1344816 is 6184431.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1344816.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4611 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (52824).

2^1344816 is an apocalyptic number.

1344816 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 1344816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2112960).

1344816 is an abundant number, since it is smaller than the sum of its proper divisors (2881104).

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

1344816 is a wasteful number, since it uses less digits than its factorization.

1344816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 299 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1344816 is about 1159.6620197282. The cubic root of 1344816 is about 110.3792966849.

It can be divided in two parts, 134 and 4816, that added together give a triangular number (4950 = T₉₉).

The spelling of 1344816 in words is "one million, three hundred forty-four thousand, eight hundred sixteen".