1530648 has 48 divisors (see below), whose sum is σ = 4739280. Its totient is φ = 437184.

The previous prime is 1530647. The next prime is 1530667. The reversal of 1530648 is 8460351.

1530648 is a `hidden beast` number, since 15 + 3 + 0 + 648 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1015 + ... + 2022.

It is an arithmetic number, because the mean of its divisors is an integer number (98735).

2^1530648 is an apocalyptic number.

1530648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1530648 is an abundant number, since it is smaller than the sum of its proper divisors (3208632).

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

1530648 is a wasteful number, since it uses less digits than its factorization.

1530648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056 (or 3049 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1530648 is about 1237.1935984315. The cubic root of 1530648 is about 115.2458006541.

Adding to 1530648 its reverse (8460351), we get a palindrome (9990999).

The spelling of 1530648 in words is "one million, five hundred thirty thousand, six hundred forty-eight".