9881098 has 8 divisors (see below), whose sum is σ = 14837508. Its totient is φ = 4935264.

The previous prime is 9881087. The next prime is 9881101. The reversal of 9881098 is 8901889.

It can be written as a sum of positive squares in 2 ways, for example, as 7469289 + 2411809 = 2733^2 + 1553^2 .

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

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, 390 + ... + 4462.

Almost surely, 2^9881098 is an apocalyptic number.

9881098 is a deficient number, since it is larger than the sum of its proper divisors (4956410).

9881098 is a wasteful number, since it uses less digits than its factorization.

9881098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288.

The product of its (nonzero) digits is 41472, while the sum is 43.

The square root of 9881098 is about 3143.4213844154. The cubic root of 9881098 is about 214.5861735215.

The spelling of 9881098 in words is "nine million, eight hundred eighty-one thousand, ninety-eight".