9818998 has 8 divisors (see below), whose sum is σ = 16832592. Its totient is φ = 4208136.

The previous prime is 9818969. The next prime is 9819031. The reversal of 9818998 is 8998189.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350665 + ... + 350692.

It is an arithmetic number, because the mean of its divisors is an integer number (2104074).

Almost surely, 2^9818998 is an apocalyptic number.

9818998 is a deficient number, since it is larger than the sum of its proper divisors (7013594).

9818998 is a wasteful number, since it uses less digits than its factorization.

9818998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701366.

The product of its digits is 373248, while the sum is 52.

The square root of 9818998 is about 3133.5280435956. The cubic root of 9818998 is about 214.1356899958.

It can be divided in two parts, 9818 and 998, that added together give a square (10816 = 104²).

The spelling of 9818998 in words is "nine million, eight hundred eighteen thousand, nine hundred ninety-eight".