30204340 has 12 divisors (see below), whose sum is σ = 63429156. Its totient is φ = 12081728.

The previous prime is 30204271. The next prime is 30204347. The reversal of 30204340 is 4340203.

It can be written as a sum of positive squares in 2 ways, for example, as 7963684 + 22240656 = 2822^2 + 4716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30204347) 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 3 ways as a sum of consecutive naturals, for example, 755089 + ... + 755128.

It is an arithmetic number, because the mean of its divisors is an integer number (5285763).

Almost surely, 2^30204340 is an apocalyptic number.

It is an amenable number.

30204340 is an abundant number, since it is smaller than the sum of its proper divisors (33224816).

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

30204340 is a wasteful number, since it uses less digits than its factorization.

30204340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510226 (or 1510224 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30204340 is about 5495.8475233580. The cubic root of 30204340 is about 311.4271347544.

Adding to 30204340 its reverse (4340203), we get a palindrome (34544543).

The spelling of 30204340 in words is "thirty million, two hundred four thousand, three hundred forty".