1328310 has 24 divisors (see below), whose sum is σ = 3453840. Its totient is φ = 354192.

The previous prime is 1328297. The next prime is 1328311. The reversal of 1328310 is 138231.

It is a super-2 number, since 2×1328310² = 3528814912200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328311) 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, 7290 + ... + 7469.

It is an arithmetic number, because the mean of its divisors is an integer number (143910).

2^1328310 is an apocalyptic number.

1328310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328310 is an abundant number, since it is smaller than the sum of its proper divisors (2125530).

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

1328310 is a wasteful number, since it uses less digits than its factorization.

1328310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14772 (or 14769 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1328310 is about 1152.5233186361. The cubic root of 1328310 is about 109.9258453379.

The spelling of 1328310 in words is "one million, three hundred twenty-eight thousand, three hundred ten".