1328610 has 32 divisors (see below), whose sum is σ = 3241152. Its totient is φ = 348480.

The previous prime is 1328603. The next prime is 1328611. The reversal of 1328610 is 168231.

It is not an unprimeable number, because it can be changed into a prime (1328611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680 + ... + 2340.

It is an arithmetic number, because the mean of its divisors is an integer number (101286).

2^1328610 is an apocalyptic number.

1328610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1328610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1620576).

1328610 is an abundant number, since it is smaller than the sum of its proper divisors (1912542).

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

1328610 is a wasteful number, since it uses less digits than its factorization.

1328610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1328610 is about 1152.6534604989. The cubic root of 1328610 is about 109.9341203318.

The spelling of 1328610 in words is "one million, three hundred twenty-eight thousand, six hundred ten".