98669986 has 8 divisors (see below), whose sum is σ = 149135184. Its totient is φ = 48958260.

The previous prime is 98669981. The next prime is 98669999. The reversal of 98669986 is 68996689.

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

It is a super-2 number, since 2×98669986² = 19471532274480392, which contains 22 as substring.

98669986 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (98669981) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 188040 + ... + 188563.

It is an arithmetic number, because the mean of its divisors is an integer number (18641898).

Almost surely, 2^98669986 is an apocalyptic number.

98669986 is a deficient number, since it is larger than the sum of its proper divisors (50465198).

98669986 is a wasteful number, since it uses less digits than its factorization.

98669986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376736.

The product of its digits is 10077696, while the sum is 61.

The square root of 98669986 is about 9933.2767000623. The cubic root of 98669986 is about 462.0918996609.

The spelling of 98669986 in words is "ninety-eight million, six hundred sixty-nine thousand, nine hundred eighty-six".