30404369 has 2 divisors, whose sum is σ = 30404370. Its totient is φ = 30404368.

The previous prime is 30404357. The next prime is 30404377. The reversal of 30404369 is 96340403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30118144 + 286225 = 5488^2 + 535^2 .

It is a cyclic number.

It is not a de Polignac number, because 30404369 - 2²⁴ = 13627153 is a prime.

It is a super-2 number, since 2×30404369² = 1848851308576322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30401369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202184 + 15202185.

It is an arithmetic number, because the mean of its divisors is an integer number (15202185).

Almost surely, 2^30404369 is an apocalyptic number.

It is an amenable number.

30404369 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404369 is an equidigital number, since it uses as much as digits as its factorization.

30404369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 30404369 is about 5514.0156873190. The cubic root of 30404369 is about 312.1131007063.

The spelling of 30404369 in words is "thirty million, four hundred four thousand, three hundred sixty-nine".