1530304 has 14 divisors (see below), whose sum is σ = 3036824. Its totient is φ = 765120.

The previous prime is 1530293. The next prime is 1530311. The reversal of 1530304 is 4030351.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11892 + ... + 12019.

It is an arithmetic number, because the mean of its divisors is an integer number (216916).

2^1530304 is an apocalyptic number.

It is an amenable number.

1530304 is a deficient number, since it is larger than the sum of its proper divisors (1506520).

1530304 is an equidigital number, since it uses as much as digits as its factorization.

1530304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23923 (or 23913 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1530304 is about 1237.0545662985. The cubic root of 1530304 is about 115.2371665058.

Adding to 1530304 its reverse (4030351), we get a palindrome (5560655).

The spelling of 1530304 in words is "one million, five hundred thirty thousand, three hundred four".