1530830 has 32 divisors (see below), whose sum is σ = 3317760. Its totient is φ = 496800.

The previous prime is 1530829. The next prime is 1530839. The reversal of 1530830 is 380351.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755 + ... + 1905.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^1530830 is an apocalyptic number.

1530830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530830 is an abundant number, since it is smaller than the sum of its proper divisors (1786930).

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

1530830 is a wasteful number, since it uses less digits than its factorization.

1530830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1530830 is about 1237.2671498104. The cubic root of 1530830 is about 115.2503681977.

The spelling of 1530830 in words is "one million, five hundred thirty thousand, eight hundred thirty".