30345998 has 16 divisors (see below), whose sum is σ = 46566576. Its totient is φ = 14826240.

The previous prime is 30345979. The next prime is 30346007. The reversal of 30345998 is 89954303.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37013 + ... + 37823.

It is an arithmetic number, because the mean of its divisors is an integer number (2910411).

Almost surely, 2^30345998 is an apocalyptic number.

30345998 is a deficient number, since it is larger than the sum of its proper divisors (16220578).

30345998 is a wasteful number, since it uses less digits than its factorization.

30345998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 30345998 is about 5508.7201780450. The cubic root of 30345998 is about 311.9132388057.

The spelling of 30345998 in words is "thirty million, three hundred forty-five thousand, nine hundred ninety-eight".