18062998 has 12 divisors (see below), whose sum is σ = 28063620. Its totient is φ = 8719256.

The previous prime is 18062971. The next prime is 18063011. The reversal of 18062998 is 89926081.

It is a happy 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 5 ways as a sum of consecutive naturals, for example, 3688 + ... + 7051.

It is an arithmetic number, because the mean of its divisors is an integer number (2338635).

Almost surely, 2^18062998 is an apocalyptic number.

18062998 is a deficient number, since it is larger than the sum of its proper divisors (10000622).

18062998 is a wasteful number, since it uses less digits than its factorization.

18062998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10799 (or 10770 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 18062998 is about 4250.0585878315. The cubic root of 18062998 is about 262.3795268796.

The spelling of 18062998 in words is "eighteen million, sixty-two thousand, nine hundred ninety-eight".