30334340 has 24 divisors (see below), whose sum is σ = 64337112. Its totient is φ = 12012800.

The previous prime is 30334321. The next prime is 30334351. The reversal of 30334340 is 4343303.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7828804 + 22505536 = 2798^2 + 4744^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5489 + ... + 9528.

It is an arithmetic number, because the mean of its divisors is an integer number (2680713).

Almost surely, 2^30334340 is an apocalyptic number.

It is an amenable number.

30334340 is an abundant number, since it is smaller than the sum of its proper divisors (34002772).

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

30334340 is a wasteful number, since it uses less digits than its factorization.

30334340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15127 (or 15125 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 30334340 is about 5507.6619358853. The cubic root of 30334340 is about 311.8732911956.

Adding to 30334340 its reverse (4343303), we get a palindrome (34677643).

It can be divided in two parts, 303 and 34340, that added together give a palindrome (34643).

The spelling of 30334340 in words is "thirty million, three hundred thirty-four thousand, three hundred forty".