1580828 has 12 divisors (see below), whose sum is σ = 2780232. Its totient is φ = 786480.

The previous prime is 1580801. The next prime is 1580849. The reversal of 1580828 is 8280851.

It is an Ulam number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1580794 and 1580803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 1778.

It is an arithmetic number, because the mean of its divisors is an integer number (231686).

2^1580828 is an apocalyptic number.

It is an amenable number.

1580828 is a deficient number, since it is larger than the sum of its proper divisors (1199404).

1580828 is a wasteful number, since it uses less digits than its factorization.

1580828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972 (or 1970 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 1580828 is about 1257.3098265742. The cubic root of 1580828 is about 116.4916705226.

The spelling of 1580828 in words is "one million, five hundred eighty thousand, eight hundred twenty-eight".