30404330 has 64 divisors (see below), whose sum is σ = 64385280. Its totient is φ = 10214400.

The previous prime is 30404327. The next prime is 30404357. The reversal of 30404330 is 3340403.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30404299 and 30404308.

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, 132656 + ... + 132884.

It is an arithmetic number, because the mean of its divisors is an integer number (1006020).

Almost surely, 2^30404330 is an apocalyptic number.

30404330 is an abundant number, since it is smaller than the sum of its proper divisors (33980950).

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

30404330 is a wasteful number, since it uses less digits than its factorization.

30404330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30404330 is about 5514.0121508753. The cubic root of 30404330 is about 312.1129672560.

Adding to 30404330 its reverse (3340403), we get a palindrome (33744733).

The spelling of 30404330 in words is "thirty million, four hundred four thousand, three hundred thirty".