30411409 has 8 divisors (see below), whose sum is σ = 35465600. Its totient is φ = 26066628.

The previous prime is 30411361. The next prime is 30411421. The reversal of 30411409 is 90411403.

It is not a de Polignac number, because 30411409 - 2¹¹ = 30409361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30411409.

It is not an unprimeable number, because it can be changed into a prime (30414409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43989 + ... + 44674.

It is an arithmetic number, because the mean of its divisors is an integer number (4433200).

Almost surely, 2^30411409 is an apocalyptic number.

It is an amenable number.

30411409 is a deficient number, since it is larger than the sum of its proper divisors (5054191).

30411409 is an frugal number, since it uses more digits than its factorization.

30411409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88684 (or 88670 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 30411409 is about 5514.6540235993. The cubic root of 30411409 is about 312.1371883263.

The spelling of 30411409 in words is "thirty million, four hundred eleven thousand, four hundred nine".