1326416 has 40 divisors (see below), whose sum is σ = 3166464. Its totient is φ = 524160.

The previous prime is 1326389. The next prime is 1326419. The reversal of 1326416 is 6146231.

It is a happy number.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1326391 and 1326400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326419) 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, 1001 + ... + 1911.

2^1326416 is an apocalyptic number.

1326416 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 1326416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583232).

1326416 is an abundant number, since it is smaller than the sum of its proper divisors (1840048).

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

1326416 is a wasteful number, since it uses less digits than its factorization.

1326416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1326416 is about 1151.7013501772. The cubic root of 1326416 is about 109.8735737585.

The spelling of 1326416 in words is "one million, three hundred twenty-six thousand, four hundred sixteen".