30098399 has 2 divisors, whose sum is σ = 30098400. Its totient is φ = 30098398.

The previous prime is 30098371. The next prime is 30098401. The reversal of 30098399 is 99389003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30098399 - 2¹² = 30094303 is a prime.

Together with 30098401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30098339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15049199 + 15049200.

It is an arithmetic number, because the mean of its divisors is an integer number (15049200).

Almost surely, 2^30098399 is an apocalyptic number.

30098399 is a deficient number, since it is larger than the sum of its proper divisors (1).

30098399 is an equidigital number, since it uses as much as digits as its factorization.

30098399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 30098399 is about 5486.2007801392. The cubic root of 30098399 is about 311.0626004814.

The spelling of 30098399 in words is "thirty million, ninety-eight thousand, three hundred ninety-nine".