1530680 has 32 divisors (see below), whose sum is σ = 3648240. Its totient is φ = 576000.

The previous prime is 1530679. The next prime is 1530691. The reversal of 1530680 is 860351.

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, 446 + ... + 1805.

2^1530680 is an apocalyptic number.

1530680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530680 is an abundant number, since it is smaller than the sum of its proper divisors (2117560).

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

1530680 is a wasteful number, since it uses less digits than its factorization.

1530680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2275 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1530680 is about 1237.2065308589. The cubic root of 1530680 is about 115.2466037649.

It can be divided in two parts, 1530 and 680, that multiplied together give a square (1040400 = 1020²).

The spelling of 1530680 in words is "one million, five hundred thirty thousand, six hundred eighty".