1323684 has 36 divisors (see below), whose sum is σ = 3393936. Its totient is φ = 434928.

The previous prime is 1323659. The next prime is 1323689. The reversal of 1323684 is 4863231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1323689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2767 + ... + 3209.

It is an arithmetic number, because the mean of its divisors is an integer number (94276).

2^1323684 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 1323684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696968).

1323684 is an abundant number, since it is smaller than the sum of its proper divisors (2070252).

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

1323684 is a wasteful number, since it uses less digits than its factorization.

1323684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 531 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1323684 is about 1150.5146674424. The cubic root of 1323684 is about 109.7980869007.

The spelling of 1323684 in words is "one million, three hundred twenty-three thousand, six hundred eighty-four".