1530880 has 88 divisors (see below), whose sum is σ = 4126752. Its totient is φ = 540672.

The previous prime is 1530871. The next prime is 1530911. The reversal of 1530880 is 880351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66549 + ... + 66571.

2^1530880 is an apocalyptic number.

1530880 is a gapful number since it is divisible by the number (10) 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 1530880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063376).

1530880 is an abundant number, since it is smaller than the sum of its proper divisors (2595872).

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

1530880 is a wasteful number, since it uses less digits than its factorization.

1530880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1530880 is about 1237.2873554676. The cubic root of 1530880 is about 115.2516229540.

The spelling of 1530880 in words is "one million, five hundred thirty thousand, eight hundred eighty".