18630098 has 8 divisors (see below), whose sum is σ = 27993600. Its totient is φ = 9298900.

The previous prime is 18630077. The next prime is 18630107. The reversal of 18630098 is 89003681.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6578 + ... + 8973.

It is an arithmetic number, because the mean of its divisors is an integer number (3499200).

Almost surely, 2^18630098 is an apocalyptic number.

18630098 is a deficient number, since it is larger than the sum of its proper divisors (9363502).

18630098 is a wasteful number, since it uses less digits than its factorization.

18630098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16152.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 18630098 is about 4316.2597234180. The cubic root of 18630098 is about 265.0971425035.

The spelling of 18630098 in words is "eighteen million, six hundred thirty thousand, ninety-eight".