30408841 has 2 divisors, whose sum is σ = 30408842. Its totient is φ = 30408840.

The previous prime is 30408827. The next prime is 30408853. The reversal of 30408841 is 14880403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25210441 + 5198400 = 5021^2 + 2280^2 .

It is a cyclic number.

It is not a de Polignac number, because 30408841 - 2⁷ = 30408713 is a prime.

It is a super-2 number, since 2×30408841² = 1849395221926562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30408811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15204420 + 15204421.

It is an arithmetic number, because the mean of its divisors is an integer number (15204421).

Almost surely, 2^30408841 is an apocalyptic number.

It is an amenable number.

30408841 is a deficient number, since it is larger than the sum of its proper divisors (1).

30408841 is an equidigital number, since it uses as much as digits as its factorization.

30408841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 30408841 is about 5514.4211844943. The cubic root of 30408841 is about 312.1284022502.

It can be divided in two parts, 3040 and 8841, that added together give a square (11881 = 109²).

The spelling of 30408841 in words is "thirty million, four hundred eight thousand, eight hundred forty-one".