30339530 has 64 divisors (see below), whose sum is σ = 62657280. Its totient is φ = 10492416.

The previous prime is 30339521. The next prime is 30339541. The reversal of 30339530 is 3593303.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30339530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218201 + ... + 218339.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^30339530 is an apocalyptic number.

30339530 is an abundant number, since it is smaller than the sum of its proper divisors (32317750).

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

30339530 is a wasteful number, since it uses less digits than its factorization.

30339530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255.

The product of its (nonzero) digits is 3645, while the sum is 26.

The square root of 30339530 is about 5508.1330775500. The cubic root of 30339530 is about 311.8910766502.

The spelling of 30339530 in words is "thirty million, three hundred thirty-nine thousand, five hundred thirty".