30820411 has 8 divisors (see below), whose sum is σ = 31228704. Its totient is φ = 30414720.

The previous prime is 30820373. The next prime is 30820421. The reversal of 30820411 is 11402803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30820411 - 2¹¹ = 30818363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30820421) 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 7 ways as a sum of consecutive naturals, for example, 34705 + ... + 35581.

It is an arithmetic number, because the mean of its divisors is an integer number (3903588).

Almost surely, 2^30820411 is an apocalyptic number.

30820411 is a deficient number, since it is larger than the sum of its proper divisors (408293).

30820411 is a wasteful number, since it uses less digits than its factorization.

30820411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 30820411 is about 5551.6133691027. The cubic root of 30820411 is about 313.5302691594.

The spelling of 30820411 in words is "thirty million, eight hundred twenty thousand, four hundred eleven".