1328910 has 32 divisors (see below), whose sum is σ = 3480192. Its totient is φ = 322080.

The previous prime is 1328909. The next prime is 1328911. The reversal of 1328910 is 198231.

It is an interprime number because it is at equal distance from previous prime (1328909) and next prime (1328911).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1328911) 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, 1684 + ... + 2343.

It is an arithmetic number, because the mean of its divisors is an integer number (108756).

2^1328910 is an apocalyptic number.

1328910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1328910 is an abundant number, since it is smaller than the sum of its proper divisors (2151282).

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

1328910 is a wasteful number, since it uses less digits than its factorization.

1328910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1328910 is about 1152.7835876694. The cubic root of 1328910 is about 109.9423940800.

The spelling of 1328910 in words is "one million, three hundred twenty-eight thousand, nine hundred ten".