30098009 has 2 divisors, whose sum is σ = 30098010. Its totient is φ = 30098008.

The previous prime is 30097967. The next prime is 30098063. The reversal of 30098009 is 90089003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27931225 + 2166784 = 5285^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 30098009 - 2¹⁶ = 30032473 is a prime.

It is not a weakly prime, because it can be changed into another prime (30068009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15049004 + 15049005.

It is an arithmetic number, because the mean of its divisors is an integer number (15049005).

Almost surely, 2^30098009 is an apocalyptic number.

It is an amenable number.

30098009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30098009 is an equidigital number, since it uses as much as digits as its factorization.

30098009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 30098009 is about 5486.1652363012. The cubic root of 30098009 is about 311.0612569444.

The spelling of 30098009 in words is "thirty million, ninety-eight thousand, nine".