1530039 has 8 divisors (see below), whose sum is σ = 2331520. Its totient is φ = 874296.

The previous prime is 1530037. The next prime is 1530071. The reversal of 1530039 is 9300351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1530039 - 2¹ = 1530037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 72859 = 1530039 / (1 + 5 + 3 + 0 + 0 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1529997 and 1530024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36409 + ... + 36450.

It is an arithmetic number, because the mean of its divisors is an integer number (291440).

2^1530039 is an apocalyptic number.

1530039 is a deficient number, since it is larger than the sum of its proper divisors (801481).

1530039 is an equidigital number, since it uses as much as digits as its factorization.

1530039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72869.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1530039 is about 1236.9474524005. The cubic root of 1530039 is about 115.2305143173.

The spelling of 1530039 in words is "one million, five hundred thirty thousand, thirty-nine".