30998097 has 24 divisors (see below), whose sum is σ = 48432384. Its totient is φ = 18991584.

The previous prime is 30998083. The next prime is 30998111. The reversal of 30998097 is 79089903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30998083) and next prime (30998111).

It is not a de Polignac number, because 30998097 - 2⁴ = 30998081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30998017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35488 + ... + 36350.

It is an arithmetic number, because the mean of its divisors is an integer number (2018016).

Almost surely, 2^30998097 is an apocalyptic number.

It is an amenable number.

30998097 is a deficient number, since it is larger than the sum of its proper divisors (17434287).

30998097 is a wasteful number, since it uses less digits than its factorization.

30998097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 30998097 is about 5567.5934657624. The cubic root of 30998097 is about 314.1316370997.

The spelling of 30998097 in words is "thirty million, nine hundred ninety-eight thousand, ninety-seven".