30018098 has 16 divisors (see below), whose sum is σ = 49675680. Its totient is φ = 13490400.

The previous prime is 30018097. The next prime is 30018127. The reversal of 30018098 is 89081003.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 30018098.

It is not an unprimeable number, because it can be changed into a prime (30018091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5708 + ... + 9623.

It is an arithmetic number, because the mean of its divisors is an integer number (3104730).

Almost surely, 2^30018098 is an apocalyptic number.

30018098 is a deficient number, since it is larger than the sum of its proper divisors (19657582).

30018098 is a wasteful number, since it uses less digits than its factorization.

30018098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15433.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 30018098 is about 5478.8774397681. The cubic root of 30018098 is about 310.7857210282.

The spelling of 30018098 in words is "thirty million, eighteen thousand, ninety-eight".