30430380 has 48 divisors (see below), whose sum is σ = 88913664. Its totient is φ = 7761600.

The previous prime is 30430349. The next prime is 30430409. The reversal of 30430380 is 8303403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9646 + ... + 12405.

It is an arithmetic number, because the mean of its divisors is an integer number (1852368).

Almost surely, 2^30430380 is an apocalyptic number.

30430380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30430380 is an abundant number, since it is smaller than the sum of its proper divisors (58483284).

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

30430380 is a wasteful number, since it uses less digits than its factorization.

30430380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22086 (or 22084 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 30430380 is about 5516.3738089437. The cubic root of 30430380 is about 312.2020798030.

Adding to 30430380 its reverse (8303403), we get a palindrome (38733783).

The spelling of 30430380 in words is "thirty million, four hundred thirty thousand, three hundred eighty".