1580328 has 48 divisors (see below), whose sum is σ = 4380480. Its totient is φ = 514464.

The previous prime is 1580309. The next prime is 1580339. The reversal of 1580328 is 8230851.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3151 + ... + 3617.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

2^1580328 is an apocalyptic number.

1580328 is a gapful number since it is divisible by the number (18) 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 1580328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2190240).

1580328 is an abundant number, since it is smaller than the sum of its proper divisors (2800152).

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

1580328 is a wasteful number, since it uses less digits than its factorization.

1580328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1580328 is about 1257.1109736217. The cubic root of 1580328 is about 116.4793875129.

The spelling of 1580328 in words is "one million, five hundred eighty thousand, three hundred twenty-eight".